NJSLA Algebraic Concepts and Expressions 5

Question 1

Which expression represents the perimeter of a square with side length (3x - 1)?

Accepted Answer

12x - 4

Answer

9x² - 6x + 1

Answer

6x - 2

Answer

12x + 4

Question 2

Simplify the expression: 2x + 3y - x + 5y

Accepted Answer

x + 8y

Answer

3x + 8y

Answer

x - 2y

Question 3

What value of n makes 5n - 8 = 3n + 4 true?

Accepted Answer

6

Answer

3

Answer

2

Answer

8

Question 4

Which expression is equivalent to -(2x - 5)?

Accepted Answer

-2x + 5

Answer

-2x - 5

Answer

2x - 5

Answer

2x + 5

Question 5

The expression 16 - 4x² can be factored as:

Accepted Answer

4(2 - x)(2 + x)

Answer

4(4 - x²)

Answer

(4 - 2x)²

Answer

4(x - 2)(x + 2)

Question 6

In the expression 7a³b² - 3ab + 2b, how many terms are there?

Accepted Answer

3

Answer

2

Answer

4

Answer

6

Question 7

Which of the following shows 4x² + 8x factored completely?

Accepted Answer

4x(x + 2)

Answer

4(x² + 2x)

Answer

x(4x + 8)

Answer

2x(2x + 4)