8th Math review!

Multistep

100

2x - 9 = 27

18

200

3(3x -1) = 2x + 11

x = 2

300

-2x + 3 + 4x = 2(2x + 5)

N.S.

400

- (3x + 4x) = x - 8x

I.S.

500

-2(2x +1) + 3(2x + 2) = 8x - 4 - 4x

x = 4

Exponents

100

x³ / x⁸

1/ x⁵

200

(x² y⁴)²

x⁴y⁸

300

x³y⁸/x⁵y

y⁷/x³

400

(x³y^-2)²/x⁸y⁴

1/x²y⁸

500

x^-3yz^-4 / xyz

1/ x⁴z⁵

Scientific Notation

100

(2x10³) x (3x10²)

6x10⁵

200

Write .00052 in scientific notation

5.2 x 10^-4

300

Write 320400000 in scientific notation

3.204 x 108

400

(9 x 10^-3) / (3 x 10^-3)

3 x 10⁰

500

4.2 x 10⁵  -  3.5 x 10⁴

3.85 x 10⁵

Pythagorean Theorem

100

What is the Pythagorean theorem

a squared plus b squared equals c squared

200

What is the longest side of the right triangle called

hypotenuse

300

a=3    b=4   c=?

5

400

a=8  b=?   c=10

6

500

A ladder stands 15 feet away from the house. it reaches 20 feet up the side of the house. how long is the ladder?

25 ft

Random!

100

What day of the week will it be 6 weeks from today?

Friday

200

What month is my birthday in?

may

300

How many points is this question worth

300

400

What is the process by which plants take in sunlight for energy

photosynthesis

500

What is on the fourth floor of the arlington

swimming pool