Take a free, practice SAT exam now. Below is a imitation of the brand new SAT exam which will help in scoring good score. Following questions are 100% free and no registration is required to test skills. Basically, the **SAT** test consists of four sections; critical reading, mathematics, writing, and a variable or equating section. Following are 20 different questions from **Mathematics** section of **SAT** of topic **Linear Equations**.

## Free SAT Math Practice Test – Linear Equations

**Ques 1.** Which of the following best describes the solutions to the inequality shown: 2l – 6 ≥ 8

A. l ≥ 2/3

B. l ≥ 4

C. l ≥ 14/3

D. l ≥ 5

Answer & Explanation

**B**]

**Ques 2.** If 3 – 3x < 20 , which of the following culd be a value of x?

A. -2

B. -6

C. -5

D. -3

Answer & Explanation

**B**]

**Ques 3.** If 3a + 4b = b, which of the following must equal 6a + 6b ?

A. 0

B. 12

C. 2b

D. 12b

E. 6b – 8

Answer & Explanation

**A**]

**Ques 4.** If 3t + 4t = 5t + 7t – 11, then t =

A. -1

B. 0

C. 4

D. 11/7

E. None of above

Answer & Explanation

**E**]

**Ques 5.** 3 (x+y) = y

If (x,y) is a solution to the equation above and y≠0, what is the ratio of x/y

A.-4/3

B. -2/3

C. 1/3

D. 2/3

Answer & Explanation

**C**]

**Ques 6.** y = 3x

x = 3y

Look at the system of equations above. How many solutions does this system have ?

A. 0

B. 1

C. Infinitely many

D. 2

Answer & Explanation

**B**]

**Ques 7.** What is the solution set for x – 2 =√10x + 19

A. 1

B. (1, 15)

C. 15 ( answer)

D. (-1, 15)

Answer & Explanation

**C**]

**Ques 8.** 3 + 10x -5 =(a + 1) . x – 2

In the equation shown above, a is constant. For which value of a, equation will have infinite solutions

A. 2

B. 7

C. 9 (answer)

D. 10

Answer & Explanation

**C**]

**Ques 9.** The value of k for which the system of equation 3x + 2y = – 5,

x – ky = 2 has a unique solutions.

A. K = 2/ 3

B. K = 2/3

C. K = -2 /3

D. K – 2/3

Answer & Explanation

**A**]

**Ques 10.** Find the solution of the system

x+5y+7z=−13

2y−z=−13

z=9

A. x=13, y=1, z=3

B. x=8,y=−1,z=3

C. x=3, y=−1, z=3

D. x=−39, y=1, z=3

E. x=23, y=1, z=−3

Answer & Explanation

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