OAR OAR Math Skills: Algebraic Expressions Questions and Answers 2

Question 1

Simplify the expression: 3(2x - 4) + 5x

Accepted Answer

11x - 12

Answer

6x - 12

Answer

11x - 4

Answer

6x - 4

Question 2

If x = -3, what is the value of 2x² - 5x + 1?

Accepted Answer

34

Answer

4

Answer

22

Answer

16

Question 3

Which expression is equivalent to (4a³b²)(3a²b⁵)?

Accepted Answer

12a⁵b⁷

Answer

12a⁶b¹⁰

Answer

7a⁵b⁷

Answer

12a⁵b¹⁰

Question 4

Factor completely: x² - 9x + 20

Accepted Answer

(x - 4)(x - 5)

Answer

(x - 2)(x - 10)

Answer

(x + 4)(x + 5)

Answer

(x - 4)(x + 5)

Question 5

Simplify: (5x²y - 3xy² + 2y) - (2x²y + xy² - 4y)

Accepted Answer

3x²y - 4xy² + 6y

Answer

3x²y - 2xy² + 6y

Answer

7x²y - 4xy² - 2y

Answer

3x²y - 4xy² - 2y

Question 6

What is the result of dividing 15a⁴b³ by 5a²b?

Accepted Answer

3a²b²

Answer

3a²b³

Answer

10a²b²

Answer

3a⁶b⁴