Algebraic Expressions 7th grade Topic 4 Mid topic review

What expression represents the verbal phrase? one-fourth times a number n, minus thirty

Use properties of operations to write an equivalent expression to 1/7n + 9 + 4/7n.

• 9 - 3/7n

• 9 - 5/7n

• 9 + 3/7n

• 9 + 5/7n

Select all the expressions which are equivalent to 9/10x - 2.

• 9/10x + 2

• 9/10x + (-2)

• -2 + 9/10x

• -9/10x - 2

• -9/10x + 2

Which expression is equivalent to 1/4q + (-6) - 3/4q + 2.8?

• -1/2q + 3.2

• -1/2q - 3.2

• 3/4q + 8.8

• 3/4q - 8.8

Which expression is equivalent to 7.5(22 + 1.2s)?

• 165s + 9

• 165s + 1.5

• 165 + 9s

• 165 + 1.5s

Which uses the GCF to generate an expression equivalent to 2.4y - 5.6?

• 0.1(24y - 56)

• 0.2(12y - 28)

• 0.4(6y - 14)

• 0.8(3y - 7)

Determine if each expression is or is not equivalent to -0.25y - 0.5.

• 0.25(-y + 2) - Equivalent

• -0.25(y - 2) - Not Equivalent

• 0.25(-y - 2) - Not Equivalent

• -0.25(y + 2) - Equivalent

• 5(x+3)

• x(3+5)

• 3(x+5)

• 3x+5

Which expression is equivalent to

2(3x - 8)?

• (3x - 8) + (3x + 8)

• 6x - 8

• 6x - 16

• -10x

• 105.3

• 8.1

• 15.3

• 42.3