Numerical and Algebraic Expressions Review

_________________ are terms that contain the same variables, such as x, 2x, and 3x.

• Terms

• Constant

• Coefficient

• Like terms

Simplify    5(2 - 7n) =

•  52 - 57n

• 10 - 7n

• 10 - 35n

• 10 + 35n

18 + (6 – 2) × 2

• 26

• 29

• 44

• 40

(10 + 33 - 3) ÷ 8

• 13

• 3

• 5

• 11

12 - [ 24 ÷ (3 + 1)] - 5

• 2

• 1

• 24

• 11

Simplify the following:  
-8 + (15 - 3) ÷ 4

• -5

• 1

• -11

• 11

Evaluate 8a - b     if a = 10   and   b = 6

• 74

• 38

• 1000

• 9000

Evaluate when a = 15:
2(a - 5) + 2

• 22

• 27

• 14

• 7

Simplify by combining like terms.

5 + 2h + 8h - 5

• 10h

• 10h - 10

• 20h - 0

Which expression below has a coefficient of 4?

• 4r + 2

• 3y + 4

• 7 + 4