SATs Algebraic Expressions & Equations

Question 1

What is the correct simplified form of 2x + 3x?

Accepted Answer

5x

Answer

6x

Answer

2x + 3x

Answer

x

Question 2

Solve for x in the equation 5x - 3 = 12.

Accepted Answer

x = 3

Answer

x = 5

Answer

x = 2

Answer

x = 1

Question 3

Which of the following is the correct expanded form of (x + 2)(x + 3)?

Accepted Answer

x² + 5x + 6

Answer

x² + 6x + 5

Answer

x² + 2x + 3x + 6

Answer

x² + 3x + 2x + 6

Question 4

What is the solution to the equation 2x + 3 = 7?

Accepted Answer

x = 2

Answer

x = 3

Answer

x = 4

Answer

x = 1

Question 5

Which of the following represents the equation for the area of a rectangle?

Accepted Answer

Area = length × width

Answer

Area = length + width

Answer

Area = length × height

Answer

Area = width × height

Question 6

Simplify the expression 4x - 2x + 7.

Accepted Answer

2x + 7

Answer

4x + 7

Answer

6x + 7

Answer

4x + 2x + 7

Question 7

Which of the following is the factored form of x² + 5x + 6?

Accepted Answer

(x + 2)(x + 3)

Answer

(x + 1)(x + 6)

Answer

(x + 3)(x + 2)

Answer

(x + 4)(x + 1)

Question 8

What is the solution to the equation x/3 = 4?

Accepted Answer

x = 12

Answer

x = 6

Answer

x = 3

Answer

x = 9

Question 9

Which of the following is the correct simplified form of (3x + 4)(2x + 1)?

Accepted Answer

6x² + 11x + 4

Answer

6x² + 7x + 4

Answer

6x² + 9x + 4

Answer

6x² + 10x + 5