Quantitative reasoning quiz 7 practice
The x-intercept of 3x=5y is?
(0,0) or just 0
If f(x) = 5x - 3, fill out the following table of values: X: -2 -1 0 1 2 3 F(x):
-13 -8 -3 2 7 12
The slope of a line passing through the points (2,3) and (-1,5) is?
-2/3
Any line parallel to the x axis is?
0
The slope of the line 2x-3y=9 is?
2/3
If f(x) = 2x + 5, fill out the following table of values: X: -2 -1 0 1 2 3 f(x):
5.25 5.5 6 7 9 13
Line that passes through the origin (0,0) and (1,3):
= -3
Find the x and y intercepts and graph: a) 5x - 2y = 8 b) y = -3x + 2
A. Y= -4 + 5/2x B. Y= 2 or (0,2)
If F(X)=2x-3, find the following: A. f(-2)= B. f(7)= C. f(-4)=
A= -7 B= 11 C= -11
If h(x) = x2 - 3x + 5 , find the following: h(-3)= h(5)=
A= 23 B=15
Which of the following is not a solution 3x-4y=8? A. (0,-2) B. (3, 0.5) C. (4, 1) D. ( -5, -5.75)
B is not a solution
The cost of producing x chairs is modeled by the function C(x) = 2400 - 40x + 2x2 where x is the number of chairs produced in a month and C is the cost in dollars. a) Find C(50). b) Explain the meaning of C(50).
C(50)= 5,400 The meaning of C(50) is the number of chairs produced by 50.
If p(x) = x2 + 5x - 3, find the following: p(-2)= p(1)=
C= -9 D=3
Which of the following equations is not a linear equation? A. 2x=5 B. 3x-y=8 C. 3x+6=4y D. 5x-y2=18
D is not a linear equation.
what is the y-intercept of 2x-5y=10?
D. (0.-2)
If k(x)= -7x+1, Find the following: D. k(0)= E. k(-1)= F. k(5)=
D= 1 E=8 F=-34
(1,-2), (-2,5), (3,-2), (4,1), (-2,3), (-1,-1) A) Is the following set a function? B) What is the domain and range of the given set?
It is not a function. Domain: -2, -1, 1, 3, 4 Range: -2, -1, 1, 3, 5
The slope of the line that passes through the origin and the point (-1,3)
The answer is A: -3
Give the slope for the 0=5y-x
The answer is A: 1/5
The slope of the line passing through the points (2,3) and (-1,5)
The answer is B: -2/3
Evaluate F(-4) for the function F(x)=1/2x-5
The answer is B: -7
Graph the equation 2x-y=0
The answer is B: 2/1
The slope of the line 2x-3y=9
The answer is B: 2/3
Any line parallel to the Y-axis has a slope of?
The answer is B: Undefined
The slope of the line shown is
The answer is C: -3/2
Write the equation 3x2+y=-2 in function notation.
The answer is C: -3x2-2
Evaluate g(-2) for the function of g(x) = -2x3-1.
The answer is C: 15
The equation of the line with slope =4 passing through the point (-2,7) is?
The answer is C: 4x-y=15
If you graph the line X+Y=4, the line passes through all quadrants except?
The answer is C: Quadrant 3
The equation of a line that passes through the points (-2,5) and (-1,4) is? (Plug a set of points into x and y)
The answer is C: X+Y=3
Graph the equation y-3=x
The answer is C: x= 1/1
The value of an automobile after t years is given by the function V(t)=25,000-1500t. What is the value of the automobile 3 years after it is purchased?
The answer is D: $20,500
Graph the equation 3x-5y=-15
The answer is graph D
Let h(x) = -2x - 5 . If h(x) = -25, find x.
X=10
Let g(x) = 3x + 2. If g(x) = 11, find x.
X=3
Let w(x) = 3x - 7. If w(x) = 14, find x.
X=7
Let f(x) = 2x - 3. If f(x) = 15, find x.
X=9
Write -3x + 4y = 12 in function notation.
f(x)=3/4+3
give the slope for the equation 0=5y-x.
m=1/5
Any line parallel to the y-axis has a slope of?
undefined.
