Alg A - Quiz 2 review

PEMDAS/Order of Operations

100

70 - 3³

43

200

25-(2+5)*3

4

300

3^2+2*-4

1

400

4² + (3 - 2)⁵

17

500

28/7+2^3-5*1^9

7

CLT/Simplifying Expressions

100

y + 3y - 7

4y - 7

200

-x + 4 - 5x

-6x + 4

300

x + y + 9 - 6x + 3y

-5x + 4y + 9

400

-3y + x - 5 + 4y - 14 - x

y - 19

500

2x + 6 - 4y + 2y - 6 - 5x

-3x - 2y

Solving equations

100

6x=72

x=12

200

x/9=3

x=27

300

9+x=7

x=-2

400

4x=-120

x=-30

500

x-9=-12

x=-3

MYSTERY - you never know what you might get!

100

x-9=4

x=13

200

Simplify:      3x - 7 - x + y

2x + y - 7

300

4^2-(10+9)

-3

400

Simplify:    -3a + b - 6 + a - 9

-2a + b - 15

500

x/-12=-7

x=84