Math Review

Scientific Notation

100

What is the Standard Form of the number 2.46 X 10⁶

2,460,000

200

What is the Scientific Notation form of 142,000,000

1.42 X 10⁸

300

What is the Standard Form of the number 7.09 X 10^-4

.000709

400

What is the Scientific Notation of .000000000000555

5.55 X 10^-13

Equations

100

Solve 4x+7=51

x=11

200

Solve 6x-11=24+25

x=10

300

Solve 7x+24+3x=24-4x+21

x=1.5

400

2(4x - 7) = 3(2x+2)

x=10

How Many Solutions?

100

7x+2=7x+2

Infinite Solutions

200

2x+3=2x+5

No solutions

300

2x+3=3x+5

One solution-- x=-2

400

2(2x+12)=3x+13+x+11

Infinite solutions

Slope and Y-intercept

100

Find the slope for the following points:

(5,7) (2,-1)

8
3

200

Find the slope for the following points:

(2,4) (6,8)

1

300

How do you write the equation of a line with a slope of 6 and a y-intercept of 3

y=6x+3

400

Write the equation of a line that passes through the points (-2,4) and (3,-1), whose y-intercept is 2

y=-x+2

Exponents

100

Simplify 2⁸ x 2²

2¹⁰

200

Simplify 8⁹/8⁴

8⁵

300

Simplify (3³)⁶

3¹⁸

400

Simplify 5⁵ x 10⁵

50⁵