Question 1

A phone company charges a monthly fee of

\$20

plus

\$0.10

per minute of calls. Write a linear function that represents the total cost

C

for

t

minutes of calls.

Accepted Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Question 2

A car rental company offers a deal where the cost to rent a car is

\$20

per day plus a one-time insurance fee of

\$0.10

. Write a linear function that models the total cost

C

for renting the car for

t

days.

Accepted Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Question 3

Given the points (2, 5) and (4, 9), find the y-intercept of the line passing through these points.

Accepted Answer

1

Answer

0

Answer

-1

Answer

3

Question 4

Determine the y-intercept of the line passing through the points (-2, -4) and (1, 2).

Accepted Answer

-2

Answer

-6

Answer

0

Answer

2

Question 5

Determine the y-intercept of the line that passes through the points (2, -1) and (5, 8).

Accepted Answer

-7

Answer

-3

Answer

4

Answer

1

Question 6

Write the equation of a line in slope-intercept form that passes through the point (2, 3) with a slope of 4.

Accepted Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Question 7

If a line has a slope of

\$20

and passes through the point (0, -2), what is the equation of the line in slope-intercept form?

Accepted Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Question 8

Which of the following equations represents a line parallel to the line

\$20

?

Accepted Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Question 9

What is the equation of a line in standard form that passes through the points (1, 4) and (3, 8)?

Accepted Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Question 10

Find the slope of a line that is perpendicular to the line y = -4x + 1.

Accepted Answer

C(t) = 0.10t + 20

Answer

C(t) = 0.10t + 20

Answer

-4

Answer

C(t) = 0.10t + 20

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