Math 8 Unit 1 Equations Practice & Review

• 6

• 24

• -18

• -11

• x = 2

• x = 3

• x = -2

• x = -3

The width of a rectangle is 4 cm less than double its length.

The perimeter of the rectangle is 28 cm.

Which equation below accurately models this rectangle?

• L(2L - 4) = 28

• 2(L + 4 - 2L) = 28

• L + 2L - 4 = 28

• 2L + 2(2L - 4) = 28

Dusty, Lucky, and Ned sold a total of 49 cookies for a school fundraiser.

Lucky sold 3 more cookies than Dusty.

Ned sold 5 fewer cookies than Dusty.

How many cookies did Dusty sell?

• 16

• 20

• 19

• 17

Match the following Equations to their solution type.

• No solution

• One solution

• Not an equation

• Infinite solutions

Given the expression shown here, match the labels to the correct parts of the expression.

a

b

c

d

constant

coefficient

exponent

variable