Math Unit 6 Expressions and Equations

Which of the following equations does NOT represent how to find the perimeter, P, of the following shape?

• P = LW + LW

• P= 2L + W + W

• P= 2L + 2W

• P= L + L + W + W

Cara solves 10 homework problems every hour.

Let h represent the total number of hours she has been solving homework problems.

Which expression could be used to find the total number of homework problems Cara has solved?

• h times 10

• h divided by 10

• h - 10

• h + 10

Which best describes the p in the expression p(q + 2r)?

• term

• factor

• coefficient

• expression

What fraction is equivalent to the expression below?

5/2 divided by 3/10

• 3/4

• 4/3

• 3/25

• 25/3

Which expression is equivalent to 3 + 6x + 9?

• 18

• 18x

• 6x + 12

• 9x + 9

Which is a different way to express 8q + 3?

• 8 + q + 3

• q + q + q + 8

• (4q)(4q)(3)

• 4q + 4q + 3

Which of the following expressions is equivalent to 7 x + 9 y − 6 − 3 y + 4?

• 7x + 4y

• 11xy

• 7x + 6y - 2

• 7x + 4

Which of these expressions must be equal to a + b ?

• (a)(b)

• b - a

• b + a

• a - b

What is the value of 8( z − 5) + 2 when z = 9?

• 34

• 48

• 65

• 69

Given the expression (7 -3)(6), what is the correct order of operation?

• multiply 3 by 6, then subtract from 7

• subtract 6 from 7, then multiply by 3

• subtract 3 from 7, then multiply by 6

• multiply 7 by 3, then subtract 6