2019 Algebra College Prep Midterm Review
Slope is 9/5
( 1 , 2 ) and ( 6 , 11) are two points on a line. What is the slope of the line? Hint: point 1 (x,y) point 2 (x,y)
Slope is 3/4
( 3 , 2 ) and ( 7 , 5 ) are two points on a line. What is the slope of the line? Hint: point 1 (x,y) point 2 (x,y)
Solve the system using elimination: -6x + 5y = 1 6x + 4y = -10
(-1, -1)
Solve the system using elimination: -4x - 2y = 14 -10x + 7y = -25
(-1, -5)
Solve the system using elimination: 8x + y = -16 -3x + y =-5
(-1, -8)
Solve the system using elimination: 3 = -2x + y -3 = 10x + 7y
(-1, 1)
Solve the system using elimination: -2x - 9y = -25 -4x - 9y = -23
(-1, 3)
-84a⁸
(-12a³)(7a⁵)
Solve the system using elimination: 3x - 2y = 2 5x - 5y = 10
(-2, -4)
(-3)²×(-3)⁸
(-3)¹⁰
24x⁸
(-3x⁵)(4x²)(-2x)
Solve the system using elimination: -3x + 7y = -16 -9x + 5y = 16
(-4, -4)
-60x⁹
(-5x²)(-3x⁴)(-4x³)
Solve the system using elimination: 5x + 4y = -30 3x - 9y = -18
(-6, 0)
Solve the system using elimination: 5x + 4y = -14 3x + 6y = 6
(-6, 4)
36x⁹
(-6x⁷)(-6x²)
-56x⁶
(-7x⁴)(8x²)
Solve the system using elimination: 16x - 10y = 10 -8x - 6y = 6
(0, -1)
Solve the system using elimination: -x - 7y =14 -4x - 14y =28
(0, -2)
y
(0, -3) what kind of intercept?
Solve the system using elimination: -7x - 8y = 9 -4x + 9y = -22
(1, -2)
Identify the inverse: (3, 1) (2, 1) (4, 2) (5, 6)
(1, 3) (1, 2) (2, 4) (6, 5)
Solve the system using elimination: 5x + y = 9 10x - 7y = -18
(1, 4)
Solve the system using elimination: 2x + y = 9 -2x + y = 5
(1, 7)
Solve the system using elimination: x - y = 11 2x + y =19
(10, -1)
60a⁷
(10a³)(6a⁴)
Solve the system using elimination: 2x + 5y = -1 x + 2y = 0
(2, -1)
Solve the system using elimination: -7x + y = -19 -2x + 3y = -19
(2, -5)
Solve the system using elimination: -14 = -20y - 7x 4 = -10y + 2x
(2, 0)
30x⁷
(2x⁴)(5x)(3x²)
Identify the inverse: (1, 3) (1, 2) (2, 4) (6, 5)
(3, 1) (2, 1) (4, 2) (5, 6)
12x⁶
(3x³)(4x³)
Solve the system using elimination: 8x + 14y = 4 -6x - 7y = -10
(4, -2)
Solve the system using elimination: 3x + y = 20 x + y = 12
(4, 8)
x
(4,0) what kind of intercept?
32a⁹
(4a⁵)(8a⁴)
Solve the system using elimination: -6x + 6y = 6 -6x + 3y = -12
(5, 6)
45x⁴
(5x³)(9x)
Solve the system using elimination: -4x - 2y = -12 4x + 8y = -24
(6, -6)
Solve the system using elimination: 7x + 2y = 24 8x + 2y = 30
(6, -9)
-36x⁴
(6x³)(-6x)
Solve the system using elimination: 4x + 8y = 20 -4x + 2y = -30
(7, -1)
Solve the system using elimination: -4x - 15y = -17 -x + 5y = -13
(8, -1)
Solve the system using elimination: -4x + 9y = 9 x - 3y = -6
(9, 5)
-81a⁹
(9a⁶)(-9a³)
a⁵b⁷
(ab⁵)(a⁴b²)
a⁴b⁷c⁶
(a³b²c⁴)(ab⁵c²)
a⁷b⁴c⁶
(a³b³)(a⁴bc⁶)
a⁸b⁴
(a³b³)(a⁵b)
a⁹bc⁸
(a⁴bc³)(a⁵c⁵)
x³y²
(xy)(x²y)
x²y³
(xy²)(xy)
x⁶y³z⁷
(xy²z³)(x⁵yz⁴)
x⁴y⁶
(x³y²)(xy⁴)
x-8y=4
-1/2x+4y=-2
(2x²y³)(-5x⁴y²)
-10x⁶y⁵
2x+3y=5
-14x-21y=-35
Find the next three terms of the sequence: 305, 225, 145, 65,
-15, -95, -175
(6x³)(-6x)
-36x⁴
3x-4y=-24
-3x+4y=24
2x+3y=-5
-3y-2x=5
x+8y=4
-4+8y=-x
(6,1)
-4x + 4y = -20 y = -3x + 19
(-1,2)
-4x +5y = 14 y = 3x + 5
(-7x⁴)(8x²)
-56x⁶
(-5x²)(-3x⁴)(-4x³)
-60x⁹
3a² × (-2a²)
-6a⁴
(-2,4)
-6x + 2y = 20 y = 6x + 16
5x-6y=4
-6y+5x=4
Find the next three terms of the sequence: -39, -31, -23, -15,
-7, 1, 9
(1, -2)
-7x - 2y = -3 y = 4x - 6
(9a⁶)(-9a³)
-81a⁹
(-12a³)(7a⁵)
-84a⁸
(2xy²)(-4x³y³z)
-8x⁴y⁵z
x⁰
1
5x+6y=-4
10x+12y=-8
22% decrease
117 to 91
92% increase
12 to 23
(3x³)(4x³)
12x⁶
(2x²)(2xy)(2xy)(2xy)
16x⁵y³
(4xy)(4xy)(x⁴)(y)
16x⁶y³
78% decrease
188 to 42
2x² (3y³)(3y³) (x²y)
18x⁴y⁷
2(3x)⁰
2
267% increase
2150 to 7895
(6x³y²)(6x³y²)(6x³y²)
216x⁹y⁶
7x²y⁵×3y
21x²y⁶
10% decrease
246 to 221
(-3x⁵)(4x²)(-2x)
24x⁸
6% increase
259 to 274
27% decrease
284 to 206
(3, 5)
2x - 3y = -9 3x - y = 4
6y²/3y
2y
2⁴/2²
2²
2⁵×2³
2⁸
3x⁰
3
x = 3/4 or 0.75
3 − |8x − 6| = 3
3% decrease
309 to 299
(2x⁴)(5x)(3x²)
30x⁷
26% decrease
326 to 241
2% increase
328 to 333
(4a⁵)(8a⁴)
32a⁹
150% increase
36 to 90
57% decrease
362 to 156
(-6x⁷)(-6x²)
36x⁹
2x-3y=-4
3y=2x+4
x = 3
4 − 2|2x − 6| = 4
86% increase
4048 to 7548
23% increase
4359 to 5377
104% increase
45 to 92
(5x³)(9x)
45x⁴
2x+3y=4
4x+6y=8
16% increase
5876 to 6820
(-3,6)
5x + 5y = 15 y = -4x - 6
(10a³)(6a⁴)
60a⁷
2x+3y=6
6=3y+2x
(6x²y³)(xyz)
6x³y⁴z
6x² (xy³)(xy³)
6x⁴y⁶
15% increase
74 to 85
8% decrease
83 to 76
(8,7)
8x - 7y = 15 y = 2x - 9
64% decrease
94 to 34
Systems of linear equations
A collection of two or more linear equations involving the same set of variables.
Standard form of a linear equation
A linear equation in the form ax + by = c
Solution set
A linear system may behave in any one of three possible ways: 1. The system has infinitely many solutions. 2. The system has a single unique solution. 3. The system has no solution.
Consistent independent system
A linear system that has exactly one solution
Consistent dependent system
A linear system that has infinitely many solutions
Inconsistent system
A linear system with no solutions
Solution of a linear system
An assignment of values to the variables such that all the equations are simultaneously satisfied
L = A/W
Area of a rectangle A = LW Solve for L
h = 2A/b
Area of a triangle. A= (1/2)bh Solve for h
Perpendicular
Determine if the line AC and line BD are parallel, perpendicular or neither. A(4,1), B(5,2) and C(4,2), D(5,1)
Neither
Determine if the line AC and line BD are parallel, perpendicular or neither. A(4,1), B(6,2) and C(4,3), D(5,1)
m = -7/6
Find the slope of a line that is perpendicular to the line that is created by the points (-2,1) and (5,7)
m = 1
Find the slope of line FG if F(1,1) and G(2,2)
m = 2/3
Find the slope of line FG if F(1,6) and G(-2,4)
1
Find the slope of line that goes through the points (1,1) and (2,2)
Undefined
Find the slope of the line passing through the two points: (-2,6) and (-2,-3)
2
Find the slope of the line passing through the two points: f(0) = 2 and f(2) = 4
-2
Find the slope of the line passing through the two points: f(0) = 7 and f(3) = 1
1/4
Find the slope of the line passing through the two points: f(4) = -3 and f(0) = -2
m = -1/5
Find the slope of the line that is perpendicular a line with the slope of 5
-1/5
Find the slope of the line that is perpendicular to a line with the slope of 5
The slope is -2.
Given the equation: y = 6 - 2x What is the slope?
Elimination method
In this method you either add or subtract the equations to get an equation in one variable.
Solve the system using elimination: 2x + 8y =6 -5x -20y = -15
Infinite Number of Solutions
r = I/(pt)
Interest formula I = prt solve for r
NO, The ratios are inconsistent.
Is this a direct variation? YES or NO
YES, the line goes through the origin
Is this a direct variation? YES or NO
y=-1/3x-1
Match to the correct linear equation.
y=-2/5x+2
Match to the correct linear equation.
y=-2x-3
Match to the correct linear equation.
y=-3x-2
Match to the correct linear equation.
y=-¼x+1
Match to the correct linear equation.
y=-½x
Match to the correct linear equation.
y=-½x+2
Match to the correct linear equation.
y=1/3x-1
Match to the correct linear equation.
y=1/5x-5
Match to the correct linear equation.
y=3x+2
Match to the correct linear equation.
y=3x+5
Match to the correct linear equation.
y=3x-2
Match to the correct linear equation.
y=x+1
Match to the correct linear equation.
y=x+3
Match to the correct linear equation.
y=¼x-1
Match to the correct linear equation.
y=½x+2
Match to the correct linear equation.
y=½x-1
Match to the correct linear equation.
Is the inverse of the points below a function? (Hint: Find inverse first.) (3, 1) (2, 1) (4, 2) (5, 6)
No, because x=1 has two different outputs.
L= (P - 2W)/2
Perimeter of a rectangle. P= 2L + 2W Solve for L
S= P/4
Perimeter of a square. P=4S. Solve for S
b= √(c²-a²)
Pythagorean Theorem a² + b² = c² Solve for b
m= (y - b)/x
Slope Intercept Form y = mx + b Solve for m
b= -a/m
Slope of a line in standard form is: m= -a/b Solve for b
x= (C - By)/A
Standard Form Ax + By = C Solve for x
π = SA/(4r²)
Surface Area of a Sphere SA= 4πr² Solve for π
Run
The difference in the x-values of two points on a line
Rise
The difference in the y-values of two points on a line
Slope-Intercept Form
The formula y=mx+b is referred to as:
X-axis
The horizontal axis on a coordinate plane
Undefined slope
The slope of this line is: A. 0 B. undefined
Zero slope
The slope of this line is: A. 0 B. undefined
negative
The slope of this line is: A. positive B. negative
positive
The slope of this line is: A. positive B. negative
Y-axis
The vertical axis on a coordinate plane
X-intercept
The x-coordinate of the point where the graph of a line crosses the x-axis
Y-intercept
The y-coordinate of the point where the graph of a line crosses the y-axis
Graphing method
This method functions by graphing the equations. The solution to the system will then be in the point in which the two equations intersect.
Substitution method
This method functions by substituting the one y-value with the other.
Intersection
Two lines that cross at a point
h = (3v)/A
Volume of a cone V = (Ah)/3 Solve for h
-lines that never intersect -same slope -different y-intercepts
What are parallel lines?
lines whose slopes are opposite and flipped; lines that intersect to form a 90-degree angles
What are perpendicular lines?
k = 1.5
What is the constant of proportionality? (type k = ___)
The steepness of a line on a graph
What is the definition of slope?
y = 0.20x
What is the equation for this direct variation?
m = 0
What is the slope of a horizontal line?
-10
What is the slope of a line that is parallel to y = -10x + 3
-2/3
What is the slope of a line that is parallel to y = -2/3x + 12
-7/2
What is the slope of a line that is parallel to y = -7/2x + 6
1/3
What is the slope of a line that is parallel to y = 1/3x - 8
4
What is the slope of a line that is parallel to y = 4x + 1
undefined
What is the slope of a line that is parallel to x=3
-3
What is the slope of a line that is parallel to y = -3x
-2
What is the slope of a line that is perpendicular to 2x -4y = 9
4/3
What is the slope of a line that is perpendicular to 3x + 4y = 12
-1
What is the slope of a line that is perpendicular to y = x - 3
5/3
What is the slope of a line that is perpendicular to 3x + 5y = 7
3
What is the slope of a line that is perpendicular to y = -1/3x + 2
1/2
What is the slope of a line that is perpendicular to y = -2x + 7
undefined
What is the slope of a vertical line?
2
What is the slope of the equation: y =2x + 3
(6,-3)
What is the solution to this system of equations. Solve by using substitution. 2x - 3y = 21 y = 3 - x
(8,-2)
What is the solution to this system of equations. Solve by using substitution. x = -4y 3x + 2y = 20
(16,4)
What is the solution to this system of equations. Solve by using substitution. x = 4y 3x - 2y = 40
(-6,1)
What is the solution to this system of equations. Solve by using substitution. x = y - 7 x + 8y = 2
(-2,-4)
What is the solution to this system of equations. Solve by using substitution. y = 2x x + 3y = -14
(-1,5)
What is the solution to this system of equations. Solve by using substitution. y = 3x + 8 5x +2y = 5
(1,4)
What is the solution to this system of equations. Solve by using substitution. y = 4x x + y = 5
(-2, -9)
What is the solution to this system of equations. Solve by using substitution. y = 4x -1 y = 2x -5
(3,7)
What is the solution to this system of equations. Solve by using substitution. y = 5x - 8 4x + 3y = 33
(5,8)
What is the solution to this system of equations. Solve by using substitution. y = x + 3 2x + y = 18
(2,1)
What is the solution to this system of equations. Solve by using substitution. y = x -1 x + y = 3
-3
What is the x intercept from looking at the table?
(-11, 0)
What is the x intercept of -2x - 5y = 22?
(6, 0)
What is the x intercept of -3x + 9y = -18?
(5, 0)
What is the x intercept of 2x + y = 10?
(12, 0)
What is the x intercept of 2x - 8y = 24?
(3, 0)
What is the x intercept of 3x - 3y = 9
(1, 0)
What is the x intercept of 4x + y = 4?
(0,7)
What is the x intercept of 5x - y = 35?
(2/5, 0)
What is the x intercept of y = -5x + 2?
3
What is the y intercept from looking at the table?
(0, -22/5)
What is the y intercept of -2x - 5y = 22?
(0, -2)
What is the y intercept of -3x + 9y = -18?
(0, 10)
What is the y intercept of 2x + y = 10?
(0, -3)
What is the y intercept of 2x - 8y = 24?
(0, -9)
What is the y intercept of 3x - y = 9
(0, 4)
What is the y intercept of 4x + y = 4?
(0, -35)
What is the y intercept of 5x - y = 35?
3
What is the y intercept of the equation: y =2x + 3
(0, 2)
What is the y intercept of y = -5x + 2?
b = 7
What is the y-intercept of the following line: y = 7 + 5/3x
Negative Slope
What type of slope does the graph's function represent?
Positive Slope
What type of slope does the graph's function represent?
Undefined Slope
What type of slope does the graph's function x=2 represent?
0
What type of slope does the graph's function y=-3 represent?
y axis
Which axis is the y intercept found on?
x = -3
Write an equation for the given line in slope-intercept form (solved for y).
y = -2/3x - 2
Write an equation for the given line in slope-intercept form (solved for y).
y = 1/3x
Write an equation for the given line in slope-intercept form (solved for y).
y = 2
Write an equation for the given line in slope-intercept form (solved for y).
y = x + 1
Write an equation for the given line in slope-intercept form (solved for y).
y = -2x + 7
Write an equation of the line passing through the two points (in slope intercept form): f(0) = 7 and f(3) = 1
y = 1/4 x - 2
Write an equation of the line passing through the two points (in slope intercept form): f(4) = -3 and f(0) = -2
y = 1/2x
Write an equation that goes through (2 , 1) and (4, 2)
y= -2/3x + 4
Write an equation that has a slope of -2/3 and passes through the point of (3,2)
y = 2x + 9
Write an equation with a slope of 2 and y-intercept at 9
y = 2/3x - 8
Write an equation with a slope of 2/3 and y-intercept at -8
Is the inverse of the points below a function? (Hint: Find inverse first.) (1, 3) (1, 2) (2, 4) (6, 5)
Yes, because each output has a unique input.
Find the explicit formula of the arithmetic sequence: 2/3, 1, 4/3, 5/3,...
a_n= 1/3 n + 1/3
Find the explicit formula of the arithmetic sequence: 1/3, 4/3, 7/3,...
a_n= n - 1/3
(a³b²c⁴)(ab⁵c²)
a⁴b⁷c⁶
(ab⁵)(a⁴b²)
a⁵b⁷
(a³b³)(a⁴bc⁶)
a⁷b⁴c⁶
(a³b³)(a⁵b)
a⁸b⁴
(a⁴bc³)(a⁵c⁵)
a⁹bc⁸
a⁻⁶/a²
a⁻⁸
d²÷d⁻⁵
d⁷
f⁻¹(x)= -½(x)
f(x)= -2x
f⁻¹(x)= -4x
f(x)= -¼(x)
f⁻¹(x)= ½(x)
f(x)= 2x
f⁻¹(x)= ½(x) - 2
f(x)= 2x + 4
f⁻¹(x)= x-25
f(x)= x+25
f⁻¹(x)= x-35
f(x)= x+35
f⁻¹(x)= x+14
f(x)= x-14
f⁻¹(x)= x+25
f(x)= x-25
f⁻¹(x)= x+6
f(x)= x-6
f⁻¹(x)= 4x
f(x)= ¼(x)
f⁻¹(x)= 2x - 10
f(x)= ½(x) + 5
f⁻¹(x)= 2x + 10
f(x)= ½(x) - 5
f⁻¹(x)= ½(x) + 2
f(x)=2x-4
f(x)= -2x
f⁻¹(x)= -½(x)
f(x)= ½(x) + 5
f⁻¹(x)= 2x - 10
f(x)= ¼(x)
f⁻¹(x)= 4x
f(x)=2x-4
f⁻¹(x)= ½(x) + 2
f(x)=√(x+2) - 3
f⁻¹(x)=(x+3)²-2
f(x)=³√(x-3) + 5
f⁻¹(x)=(x-5)³+3
f(x)=x³-7
f⁻¹(x)=³√(x+7)
f(x)=(x-1)²+5
f⁻¹(x)=√(x-5)+1
a= g+b+c
g = a - c - b (solve for a)
m⁴n³ × mn²
m⁵n⁵
m³n/m⁻³n⁻¹
m⁶n²
n³(n⁵)÷n²
n⁶
m
represents the slope in an equation
b
represents the y intercept in an equation
y = mx + b
slope intercept form
a = (u + 1)/-4
u = -4a - 1 (Solve for a)
a = (u-1)/-4
u = -4a+1 (solve for a)
x = (u + 5k)/4w
u = -5k + 4xw (solve for x)
x = (u+5k)/4
u = 4x - 5k (solve for x)
x= (6k-5)/u
ux + 5 = 6k (solve for x)
x intercept
where the line crosses the x axis
y intercept
where the line crosses the y axis
(4, -2)
x + 2y = 0 3x + 4y = 4
(1, 2)
x + 3y = 7 2x - 4y = -6
(5, 3)
x - 2y = -1 3y = x + 4
(9, 4)
x - 3y = -3 2x + 5y = 38
(4, 2)
x = 2y y = x - 2
x⁻³×x⁵
x²
(xy²)(xy)
x²y³
(xy)(x²y)
x³y²
x⁷/x⁻³
x¹⁰
x*x*x*x*y*y*y
x⁴y³ expanded
(x³y²)(xy⁴)
x⁴y⁶
(xy²z³)(x⁵yz⁴)
x⁶y³z⁷
x*x*x*x*x*x*x*x*x
x⁹ expanded
Find the point slope equation:
y + 1= 1/2(x-4)
Write the equation in point-slope form of m= -1/4 and (4, -3)
y + 3 = -1/4(x - 4)
Write the equation in point-slope form of m= 5 and (-2, -3)
y + 3 = 5(x + 2)
Write the equation in point-slope form of m= 2/5 and (-5, -6)
y + 6 = 2/5(x + 5)
Write the equation in point-slope form of m= 4 and (-1, -6)
y + 6 = 4 (x + 1)
Write the equation in point-slope form of m= 2 and (-1, 0)
y - 0 = 2(x + 1)
Find the point slope equation:
y - 1 = 2(x - 1)
Find the point slope equation:
y - 1 = 3/4(x + 2)
Find the point slope equation: (-9, 10) m = 6/7
y - 10 = 6/7(x + 9)
Find the point slope equation: (-4, 3) m = -2/3
y - 3 = -2/3(x + 4)
Find the point slope equation: (2, 3) m = 3/4
y - 3 = 3/4(x - 2)
If x = -18 when y = 6, write the direct variation equation and find y when x = 6.
y = -1/3x; y = -2
If x = -16 when y = 4, write the direct variation equation and find x when y = 20.
y = -1/4x; x = -80
Write the equation in slope-intercept form of m= -2 and (5, 3)
y = -2x + 13
Write the equation in slope-intercept form of the line passing through the points (1, 6) and (2, 3)
y = -3x - 9
If y = -18 when x = 6, write the direct variation equation and find y when x = 6.
y = -3x; y = -18
No solution, lines are parallel
y = -4x +7 8x +2y = -4
Write the equation in slope-intercept form of the line passing through the points (-6, 10) and (-3, -2)
y = -4x -14
If y = -16 when x = 4, write the direct variation equation and find x when y = 20.
y = -4x; x = -5
Write the equation in slope-intercept form of the line passing through the points (-1, 1) and (1, -1)
y = -x
If y = -7 when x = -14, write the direct variation equation and find y when x = 20.
y = 0.5x; y = 10
If x = 8 when y = 4, write the direct variation equation and find y when x = 5.
y = 0.5x; y = 2.5
Write the equation in slope-intercept form of m= 1/2 and (2, 6)
y = 1/2x + 5
Write the equation in slope-intercept form of m= 1/2 and (2, -3)
y = 1/2x - 4
If y = 4 when x = 12, write the direct variation equation and find y when x = -24.
y = 1/3x; y = -8
If x = 2.5 when y = 0.5, write the direct variation equation and find y when x = 20.
y = 1/5x; y = 4
If x = 36 when y = 6, write the direct variation equation and find x when y = 42.
y = 1/6x; x = 252
Write the equation in slope-intercept form of the line passing through the points (7, 7) and (-3, 7)
y = 10
(-2, -4)
y = 2x 4x - y = -4
(5,7)
y = 2x - 3 -2x + 4y = 18
If y = 8 when x = 4, write the direct variation equation and find y when x = 5.
y = 2x; y = 10
If x = -7 when y = -14, write the direct variation equation and find y when x = 20.
y = 2x; y = 40
Write the equation in slope-intercept form of m= 3 and (1, 6)
y = 3x + 3
Write the equation in slope-intercept form of the line passing through the points (5, 7) and (3, 1)
y = 3x - 8
Infinite number of solutions
y = 3x -11 3x - y = 11
If x = 4 when y = 12, write the direct variation equation and find y when x = -24.
y = 3x; y = -72
If y = 27 when x = 6, write the direct variation equation and find x when y = 45.
y = 4.5x; x = 10
(-1, -4)
y = 4x 3x - y = 1
Write the equation in slope-intercept form of m= 4 and (2, -3)
y = 4x - 11
(7,8)
y = 4x - 20 4x - 2y = 12
(-1,-8)
y = 4x - 4 3x + 2y = -19
Write the equation in slope-intercept form of m= 5 and (-1, 2)
y = 5x + 7
If y = 2.5 when x = 0.5, write the direct variation equation and find y when x = 20.
y = 5x; y = 100
(-3,-3)
y = 6x + 15 -x - y = 6
If y = 36 when x = 6, write the direct variation equation and find x when y = 42.
y = 6x; x = 7
Write the equation in slope-intercept form of the line passing through the points (1, 4) and (3, 18)
y = 7x - 3
Write the equation in slope-intercept form of the line passing through the points (0, 3) and (2, 4)
y = ½x + 3
Write the equation in slope-intercept form of the line passing through the points (6, 6) and (-2, 2)
y = ½x + 3
Write the equation in point-slope form of m = -1 and (3, 5)
y-5 = -(x-3)
(y⁸)(x)(x)(y)
y⁹x²
x = (m-z)/3
z + 3x = m (solve for x)
a =b-z
z + a = b (solve for a)
x = (y-z)/m
z + mx = y (solve for x)
a = z - m + b
z = m + a - b (solve for a)
a = (z+b)/m
z = ma - b (solve for a)
x= zm - y
zm = x + y (solve for x)
no solution
−5 |3 + 4k| = 115