Bluebook SAT Test Linear Functions 3

Question 1

A line with equation y = kx − 4 passes through the point (3, 8). What is the value of k?

Accepted Answer

4

Answer

3

Answer

12

Answer

−4/3

Question 2

The rate of change of a linear function is 5 and f(2) = 11. What is f(0)?

Accepted Answer

1

Answer

6

Answer

21

Answer

−10

Question 3

Line p is parallel to the line y = 3x − 7 and passes through (1, 2). What is the equation of line p?

Accepted Answer

y = 3x − 1

Answer

y = 3x + 5

Answer

y = −(1/3)x + 2

Answer

y = 3x − 2

Question 4

A cell phone plan charges a monthly base fee of $25 plus $0.10 per text message. If a customer's bill is $37, how many text messages did they send?

Accepted Answer

120

Answer

90

Answer

100

Answer

370

Question 5

The graph below has a y-intercept of 4 and passes through (2, 0). What is the slope of the line?

Accepted Answer

−2

Answer

2

Answer

−1/2

Answer

1/2

Question 6

If f is a linear function and f(−1) = 7 and f(3) = −1, what is f(1)?

Accepted Answer

3

Answer

1

Answer

4

Answer

5

Question 7

In the equation y = 2x + c, the line passes through the origin. What is the value of c?

Accepted Answer

0

Answer

−2

Answer

1

Answer

2