Algebra I Review

Order of Operations

100

7² - 5

44

200

13 - 3 + 5 + 10 - 2

23

300

3² + 14 / 2

16

400

3(3+1)²

48

500

2² - 1² - 3

0

Properties

100

21 x 1 = 21

Multiplicative Identity

200

-2 + 7 = 7 + (-2)

Commutative Property of Addition

300

3 + (12 + 9) = (3 + 12) + 9

Associative Property of Addition

400

-9 x 0 = 0

Zero Property of Multiplication

500

-1 x 0 = 0

Zero Property of Multiplication

Rational vs Irrational

100

-0.5

real, rational

200

341

real, rational, whole, natural, integer

300

10.560129385726

real, irrational

400

7.3333333...

real, rational

500

-16

real, rational, integer

Evaluate

100

x + 3 - 1 when x = 10

12

200

(xy)² when x = 4 and y = 2

64

300

2m² - k + 16 when m = 3 and k = 8 

26

400

x² / 4 when x = 0

0

500

2st² when s = 5 and t = 2

40

Combine Like Terms

100

2x + 9x

11x

200

3m + 5m - m

7m

300

14y + 3x + 2 + 6

14y + 3x + 8

400

x² + x + 3x - 2x + 9

x² + 2x + 9

500

-8 + 9j + (-23)

9j - 31