Topic 4 Quiz Review (7th Grade)

Which of the following expressions are equivalent to 8x + 4. Explain how you chose your answer.

• 2(x+4)

• 8+2x

• 8+2x

• 4(2x + 2)

• Distributaive Property

• Commutative Property of mulitiplication

• Associative Property of Addition

• Properties of operations

• n

• 18

• 2n

• 2

• 4x(x + 3)

• 5x + 3

• 4x + 3x

• 2(4 + x + 3)

Each side of the triangle is x + 3, to solve or simplify the perimeter of the triangle, how would you write the equation?

• x + 3

• 2(x + 3)

• 3(x + 3)

• (x + 3 ) + (x + 3)

• 6 + 3x + 4x

• 6 + 6x

• 8x + 7x

• you cannot simplify this expression

• 4n - 25

• 4n + -10

• 4n - (-10)

• 4n + -5

8a-(-3 - 5a) -2a

explain your answer

• 1a + 3

• 15a - 5

• 24a + 10a

• 8a - 7a - 3

• 15a - 2

• 15a - 6

• 15a - 5

• 15a + 3

• Commutative Property of Multiplication

• Distributive Property

• Associative Property of Addition

• Properties of Operations