Bluebook SAT Test Linear Equations and Systems 2

Question 1

Solve for x: x/4 + 3 = 7

Accepted Answer

16

Answer

8

Answer

10

Answer

20

Question 2

Two lines are given: 2x + y = 8 and x − y = 1. What is the solution (x, y)?

Accepted Answer

(3, 2)

Answer

(2, 4)

Answer

(4, 0)

Answer

(1, 6)

Question 3

If 7 − 2x > 1, which of the following could be a value of x?

Accepted Answer

3

Answer

4

Answer

5

Answer

6

Question 4

A taxi charges a flat fee of $2.50 plus $1.75 per mile. Which equation gives the total cost C for m miles?

Accepted Answer

C = 1.75m + 2.50

Answer

C = 1.75m

Answer

C = 2.50m + 1.75

Answer

C = 2.50 − 1.75m

Question 5

If 3x + 2y = 12 and y = 3, what is x?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 6

The equation of a line is 4x − 2y = 8. What is the slope of this line?

Accepted Answer

2

Answer

−2

Answer

4

Answer

−4

Question 7

Solve the system: 3x − y = 5 and 2x + y = 10. What is y?

Accepted Answer

5

Answer

3

Answer

4

Answer

6

Question 8

A number is 4 more than twice another number. Their sum is 25. What is the smaller number?

Accepted Answer

7

Answer

5

Answer

6

Answer

8