Question 1 of 25

Find the equation of the line with a slope of- 8 and passing through the point (0, 0).

A. y = - 8

B. None of these.

C. y = - 8x

D. y = 0

E. x = 0

Question 2 of 25

Find the equation (in slope-intercept form) of the line passing through (-2, 3) that is parallel to the line y = 3x + 8.

Question 3 of 25

Find the equation in slope-intercept form, of the line passing through (4, 10) that is perpendicular to the line y = x -8.

The perpendicular line is

Question 4 of 25

The graph of a line has a slope of 3 and a y-intercept of (0, - 6). Rewrite the equation in standard form (Ax + By = C) with a positive x-term. A, B, and C must all be integers - not decimals or fractions!

The equation in standard form is

Question 5 of 25

Find the equation in slope-intercept form of the line passing through the points (4 , 12 ) and (- 1 , - 13 ).

The equation is y =

Question 6 of 25

True or False: The point (4, 4) is a solution to the linear inequality

x - y - 1

True

False

Question 7 of 25

True or False: This relation is a function:

{(- 5, - 2), (- 3, - 3), (- 1, 5), (0, 0)}

True

False

Question 8 of 25

Given the inequality: y >5x + 7, which quadrants would be partially shaded?

A. Quadrants I, II, and III

B. Quadrants I, II, andIV

C. Quadrants II, III, and IV

D. Quadrants I, III, and IV

Question 9 of 25

What is the equation of the line that passes through the point (3, 5) and has zero slope?

A. x = 5

B. x = 3

C. y = 3

D. y = 5

Question 10 of 25

Find f(x + 1) when f(x) = 2x + 3

f(x + 1) =

Question 11 of 25

What is the domain of the following relation: {(1, 8), (2, 6), (3, 9), (1, 6)}

A. {6, 8, 9}

B. {1, 2, 3, 1}

C. {1, 2, 3}

D. {8, 6, 9, 6}

Question 12 of 25

The boundary of the graph of a linear inequality is either a solid or dashed line and the shaded area is either above or below the line.

Select the correct line and shading for the following inequality: y > x + 5

A. solid; below

B. dashed; above

C. solid; above

D. dashed; below

Question 13 of 25

Find the equation of a line passing through the point (2, 8) and parallel to the line y = - 5.

A. x = 2

B. y = 2

C. y = 8

D. None of these.

E. x = 8

Question 14 of 25

Find f(-15) when f(x) = - 5x + 30

A. None of these.

B. 45

C. - 45

D. 105

E. - 105

Question 15 of 25

Find the equation of the line with slope =2 and containing the point (8, 7).

A. y = 2x - 9

B. None of these

C. y - 7 = x - 8

D. y - 7 = mx - 8

E. y = 2x + 9

Question 16 of 25

Find the equation of the line passing through the points (2, - 6) and (2, 3).

A. y = x - 2

B. y = x + 2

C. y = 2

D. x = 2

Question 17 of 25

Central Plumbing charges a flat fee of $60 plus$43per hour.

Choose an equation that expresses the cost in dollars, C, in terms ofhours worked, h.

A. C = 60h - 43

B. C = 43h - 60

C. C = 60h + 43

D. C = 43h + 60

E. None of these.

Question 18 of 25

A vendor has learned that, by pricing his deep fried bananas on a stick at $1.00, sales will reach 136 per day.Raising the price to $1.50 will cause the sales to fall to 114 per day.Let y be the number of the vendor sells at x dollars each. What is the linear equation that models the number of sold per day when the price is x dollars each.

A. y = - 44x - 180

B. y = 44x - 92

C. y = 44x + 92

D. y = -44x + 180

Question 19 of 25

Choose the equation of the line that has a slope of - 3 and contains the point (2, 7).

A. y = - 3x + 13

B. y = - 3x - 7

C. y = - 3x + 7

D. y = - 3x - 13

Question 20 of 25

Find the equation of the line with an undefined slope and passing through the point (8, 9).

A. x = 8

B. y = 0

C. None of these.

D. y = 9

E. y = 8

Question 21 of 25

Find the Fahrenheit temperature when the Celsius temperature is13 degrees.

A. None of these.

B. -10

C. 55.4

D. 25.6

E. -8.6

Question 22 of 25

The cost (in dollars) of a car rental can be approximated by the linear model C = .25m + 50. Use the model to estimate the cost of the rental if the car is only driven 100 miles.

The cost of driving the rental for 100 miles would be $

Question 23 of 25

The cost (in hundreds of dollars) of tuition at the community college is given by T = 1.25c + 2, where c is the number of credits the student has registered for.

If a student is planning to take out a loan to cover the cost of 14 credits, use the model to determine how much money he should borrow.

To pay for exactly 14 credits, the student should borrow $

Question 24 of 25

The sales of a certain brand of TV satisfy the linear model y = 110x + 5600 where y represents the number of sales in year x, with x = 0 corresponding to 1982, x = 1 corresponding to 1983, etc. How many units did they sell in 1997?