Expressions Review

Combining Like Terms

100

14m  + 11 - 9m + 1

5m + 12

200

27x - 25x + 9 + 5

2x + 14

300

3r + 1 + 6x + 9r + 3x + 9

12r + 9x + 10

400

12x + 11s + 8x + 12 - 5s - 12

20x + 6s

500

9 + 4x +12y +2x + 6 - 4y

6x -8y + 15

Exponent Rules

100

Simplify

8x² + 3x²

11x²

200

b² * b⁴

b⁸

300

(5x³)²

25x⁶

400

3m³+n-4n-2m³

m³-3n

500

(2x²y³)/(6x⁴y)

y²/(3x²)

Distributive Property

100

3(6x + 2)

18x + 6

200

9(4 - 2x)

36 - 18x  or -18x + 36

300

6(2x - 6) + 2

12x - 36

400

3(3x+5) 

9x + 15

500

1/2(4x + 10x)

7x

Factoring

100

5x-15

5(x-3)

200

24m+42

6(4m+7)

300

12a-18b

6(2a-3b)

400

2x+4(x+4)

2(3x+8)

500

6(1+b)+3b

3(2-3b)

Evaluating Expressions

100

Evaluate 4(y-5) 

if y=9

16

200

Evaluate  5² + n

  n = 4

29

300

Evaluate  7(x+3)     if x = 6  

63

400

Evaluate    2³ + 3²

17

500

Evaluate    16x + 2y    if x = -2,  y = 8

-16

Writing Expressions

100

A number plus 4

n + 4

200

The product of a number and 5

5n  or n5 

300

The difference between 13 and a number P

13-P

400

6 less than some number, R 

R-6

500

The quantity of some number x added to five, then divided by 2

(x+5) / 2