OAR OAR Math Skills: Algebraic Expressions 2

Question 1

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

Accepted Answer

11x - 12

Answer

11x - 4

Answer

6x - 12

Answer

11x + 12

Question 2

If a = 3 and b = -2, what is the value of 2a² - 3b?

Accepted Answer

24

Answer

12

Answer

18

Answer

6

Question 3

Which expression is equivalent to 4x² - 8x?

Accepted Answer

4x(x - 2)

Answer

4(x² - 2)

Answer

4x(x + 2)

Answer

2x(2x - 4)

Question 4

What is the degree of the polynomial 5x³ - 2x + 7?

Accepted Answer

3

Answer

2

Answer

1

Answer

0

Question 5

Evaluate: (x + y)² when x = 2 and y = -5

Accepted Answer

9

Answer

49

Answer

-9

Answer

−49

Question 6

Simplify: (3x²)(4x³)

Accepted Answer

12x⁵

Answer

7x⁵

Answer

12x⁶

Answer

7x⁶

Question 7

Which value of x satisfies 5x - 3 = 2x + 9?

Accepted Answer

4

Answer

3

Answer

6

Answer

2