Quantitative reasoning quiz 7 practice

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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?

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