algebra 2
Three consecutive even numbers has a sum of 90. What is the second consecutive even number?
30
Find the distance between J (2,-5) and B(-1, -9)
5 units
determinant of 3x3: 3 7 7 2 6 8 5 4 9
66
What property of Matrix Addition is " A + B = B + A"
commutative
In the equation: y = 2x + 10, what is the value of x - intercept?
(-5,0)
What is the midpoint of U (3, 5) and P (9, 11)?
(6,8)
Find the distance between S (0,10) and G (0, 4)?
6 units
In graphing systems of linear inequalities, what should we do first?
find the slope for each inequalities
What property of Matrix Addition is " A + 0 = 0 + A = A"
identity
In addition or subtraction operations in algebraic expressions, we can only combine ________.
like terms
It is a kind of graph that is not linear but could be used to determine the trend of the data in a cartesian plane
scatter plot
Solve: 2(x + 2) > 3x -6 (x -2)
x>8/5
Find the slope intercept from of an equation passing through (3,2) with a slope of 4.
y=4x-10
In graphing inequalities and there is a greater than, the shade should be _______.
above the line
name the property: 13x+10y=10y+13x
commutative property
Which of the following is the best way to show the answer in systems of linear inequalities?
elimination
It is a rectangular array of numbers
matrix
A function with more than one functions
piece wise function
In systems of linear inequalities, the _____ are the intersections of the graphs of the inequalities
solutions
In systems of linear inequalities, there will be no solution if __________.
there are no intersections of the graphs
Solve the system of linear equation using substitution: x + y = 10 2x + 3y = 25
x=5 y=5
Which of the following inequality shows this graph? (0,1) and (-0.5,0)
y>2x+1
Which of the following shows coordinates of a function? Multiple Choice | 1.00pts (3, 1), (0, 7), (3,5), (5,3), (2, 1) (3,0), (5, 7), (2, 9), (2,3), (3,2) (4, 0) (5, 4), (6,4), (4, 4), (0,4) (3, 7), (-5, 4), (-3, 4), (10, 6), (5, 9)
(3, 7), (-5, 4), (-3, 4), (10, 6), (5, 9) (the first number cannot have a duplicate)
In the equation: |x + 3| < 5, what is the value of x?
-2<x<8
the determinant of: 3 6 5 9
-3
Use this Piece wise Function: F(x) =3x + 1, if x < - 1 2x - 5, if x ≥ -1 Evaluate f (-12)
-35
Simplify the expression: 3 (4 -6) +4 (-24 / 6) - 2 (7-10)2
-40
determinant of 2x2: -1 2 2 3
-7
determinant of 3x3: -5 1 4 1 -5 -4 -2 1 -1
-72
In the equation: |2x -10| + 2 < 12 , what is the value of x?
0<x<10
Use this Piece wise Function: F(x) =3x + 1,if x < - 1 2x - 5,if x ≥ -1 Evaluate f (12)
19
multiply: 3 3 5 and---- 3 6 2 9
1x2 matrix
multiplication of: 3 3 5 and--- 1 2 3 4 5 7
1x3 matrix
Which of the following is an example of a linear equation? Multiple Choice | 1.00pts f(x) = x + 6 3x + 6 = 2x^2+ 4 3(x + 2) = 1 x^3= 1
3(x+2)=1
simplify the given: (3xy)^2/4y(4x)^2
36x^4y
simplify the given: (3x62yz)^0+3z
3z+1
determinant of: 9 7 2 2
4
inverse: 1 2 3 4
4 -3 -2. 1
How many liters of 50% alcohol solution should be added to 20 liters of 30% alcohol solution to make a 20% solution?
6.67 liters
Simplify the expression: (3 + 4) - (9 - 10)
8
subtract (A-C) A= 0 -1 8 6 -14 2 9 5 1 C= -5 2 0 7 -3 4 -1 3 2
B) 5 -3 8 -1 -11 -1 10 2 -1
Describe the given: 3x^2+4 ----- options: Linear Expression Cubic Expression Linear Equation Quadratic Expression
Quadratic expression
What is the other term for ≥ (greater than or equal to)?
at least
The determinant of a 2 x 2 matrix is the difference of the products of the minor and major _______?
diagonals
How many donuts must she need to sell for the day?
donuts: at least 90
Beverly is selling egg pies for 20 pesos each and donuts for 10 pesos each to make some money. She needs to make 1000 pesos for the day. How egg pies must she need to sell for the day?
egg pies: at least 50
which of the following cannot be represented by a ratio of integers
irrational numbers
A function that shows a straight line
linear function
Given the following points, what is the slope of: A (1,6) and B (5,-10) ?
m=-4
In the equation: y = 3x+ 12 what is the value of slope?
m=3
inverse: 5 3 10 6
none above because the determinant is 0
Which of the following is always considered accurate? The product of two odd numbers is always an even number. The product of two even numbers is always an even number. The quotient of two integers is an irrational number. The sum of two even numbers is an odd number.
the sum of two even numbers is an odd number
In the systems of linear equality, if two lines have the same slope it means that ________.
they don't have any solution
In the equation: |8x - 6(x-4)| = 10 what is the value of x?
x=-7,-17
Solve the system of linear equations using elimination: x + y = 1 2x - y = 2
x=1 y=0
Solve the system of linear equation: x + y = 3 2x + z = 5 x + z = 4
x=1 y=2 z=3
Solve the system of linear equation using substitution: x + y = 1 2x + y = 7
x=6 y=-5
In the equation: 3x + 2b = 8b - 5ax, what is the value of x?
x=6b/(5a+3)
In the equation: 3(x+ 5) = 6(x -2), what is the value of x?
x=9
Which of the following inequality shows this graph ? (0,-2) and (2,0)
y_>x-2
