Q1 Math Review

One-Step Equations

100

4 = -8 + x

x= 12

200

x + 12 = 0

x= -12

300

3 = -2 – x

x= -5

400

5x = -80

x= -16

500

-16 = x+2

x= -18

Two-Step Equations

100

6x – 13 = 11

x= 4

200

3x + 5 = 14

x= 3

300

 2/3 x + 4 =-2

x= -9

400

x/2 + 5 =10

x= 10

500

x/3 - 6 = -3

x= 9

Distributive Property

100

2(2x + 4)

4x + 8

200

-5(3x -6)

-15x+30

300

10(4x - 4)

40x - 40

400

- (3a - 9)

-3a+9

500

-8x(2x +9)

-16x² - 72

Factoring

100

What is the greatest common factor for?

8 and 10 

GCF: 2

200

15 + 50k 

5 (3 + 10k)

300

–6t – 9u

-3 (2t + 3u)

400

10x – 25xy

5(2x-5xy)

500

9x³ + 81x²

9x² (x +9)

Order of Operations (PEMDAS)

100

5 – 9 ÷ 3 + 12 ÷ 6 x 2

8

200

9 – 14 ÷ 2 + 4 + 5 x 2

16

300

6 + 3 x 4 ÷ 2 – 1

11

400

3²−(5−4)+2  

10

500

4 x 5 - 10 - 2(1-2) +5

17