8vo Math Review # 2 - Copy

Operations w/Integers

100

3 (-5) =

-35

200

-8 ( x + 5) =

-8x - 40

300

-9 - 11 = 

-20

400

7 - (-3) = 

10

500

1/3 ( -6x - 18) = 

-2x - 6 

Fractions

100

1/4 (-3/6) = 

-3/24 o -1/8

200

-8 + 3/5 = 

-6 2/5  o  -32/5

300

2/3  -  1/4 =

5/12

400

2/3  /  2/3  = 

0

500

2/5 - (- 1/2) = 

9/10

Exponents

100

6³ = 

6 x 6 x 6

200

5⁷  5^-3 = 

5⁴

300

8,346⁰ =

1

400

2⁹  /  2³  =

2⁶

500

11^-5 =  

1/11⁵

Equations

100

2x  =  48

x = 

24

200

y/7 = 4

y = 

28

300

5x + 9 = 509

x = 

100

400

x + x + x + 4 =  40

x =

12

500

x² = 169

x = 

13

Functions

100

The Linear Equation formula is:

x = my + b

b = mx + y

y = mx + b

m = bx  + y

y = mx + b

200

y = 3x - 9

The slope is:

3

300

y = 3x - 9

The initial value or y-intercept is:

-9

400

In the Equation:    y = 3x - 9

If "x" is  1/3,   What is the value of "y"?

8

500

y = 3x - 9

If "y" = 36, what is the value of "x"

15