Unit 3 Summative Assessment

What is the coefficient in the following expression?

3y + 7

• 3

• 7

• 10

• y

How many terms are in the following expression?

5x + 3y - 1

• There are no terms

• 1

• 2

• 3

Simplify the expression:

b − 3 + 6 − 2b

• 3b + 3

• b - 3

• 2b

• −b + 3

Simplify the expression:

6(−5n + 7)

• -30n + 42

• 30n + 13

• 30 + 42

• -30 - 13

In order to solve the equation shown for x, what would be the best first step?

22 = 8x - 7

• Subtract 7 from each side.

• Add 7 to each side.

• Add 8 to each side.

• Subtract 8 from each side.

Which equation below matches the following sentence? The sum of five times a number and six is thirty.

• 6 - 5y = 30

• 6y + 5 = 30

• 5y + 6 = 30

• 56y = 30

Solve for y.

4 ( y + 4 ) = 48

• 8

• 11

• 13

• 16

What is the value of x?

• 2

• 16

• 24

• 32

For a field trip, four students rode in cars and the rest filled nine buses. How many students were in each bus if 472 students went on the trip?

• 38

• 45

• 48

• 52

Which equation has the same solution as

5w + 9 = -6?

• 5 – 9w = 3

• 5w = 3

• 15w + 27 = -18

• 14w = -12