Free SAT Math Linear Equations and Systems Practice Test

Question 1

If 3x + 7 = 22, what is the value of x?

Accepted Answer

5

Answer

3

Answer

4

Answer

6

Question 2

What is the slope of the line passing through the points (2, 5) and (6, 13)?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 3

Which of the following is the equation of a line with slope -3 and y-intercept 4?

Accepted Answer

y = -3x + 4

Answer

y = 4x - 3

Answer

y = -3x - 4

Answer

y = 3x + 4

Question 4

Solve the system: 2x + y = 10 and x - y = 2.

Accepted Answer

x = 4, y = 2

Answer

x = 3, y = 4

Answer

x = 4, y = 3

Answer

x = 5, y = 0

Question 5

A line passes through (0, -2) and has slope 1/2. What is its equation?

Accepted Answer

y = (1/2)x - 2

Answer

y = 2x - 2

Answer

y = (1/2)x + 2

Answer

y = -2x + 1/2

Question 6

If 5(x - 2) = 3x + 4, what is x?

Accepted Answer

7

Answer

3

Answer

5

Answer

9

Question 7

How many solutions does the system y = 2x + 3 and y = 2x - 1 have?

Accepted Answer

None

Answer

Exactly one

Answer

Exactly two

Answer

Infinitely many

Question 8

The equation of a line is 4x - 2y = 8. What is the y-intercept?

Accepted Answer

-4

Answer

-2

Answer

2

Answer

4

Question 9

If 2(3x + 1) = 4(x + 3), what is x?

Accepted Answer

5

Answer

3

Answer

4

Answer

6

Question 10

A taxi charges $3.00 plus $1.50 per mile. Which equation represents the total cost C for m miles?

Accepted Answer

C = 1.50m + 3.00

Answer

C = 1.50m

Answer

C = 3.00 + m

Answer

C = 3.00m + 1.50