Gable ACAP Math Practice 8th

Geometry

100

Find the area of a triangle with a base of 10 and a height of 8

40

200

Find the length of the missing side (#1).

9.4

300

Find the length of the missing side (#2).

5.2

400

Find the volume (#3)

1407.7

500

Find angle b (#4)

36

Equations

100

2x + 8 = 6x - 12

x = 5

200

3x - 7 = 14 + 3x

No Solution

300

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

x = 13

400

Solve the system w/ substitution. 

y = x - 5

2x + 3y = 20

x = 7, y = 2

500

Joe ran 1.6 miles, and Mike ran 2 1/2 miles. Steve runs twice the difference between Mike and Joe. How far did Steve run?

1.8 miles

Number System

100

Leave your answer as an exponent.

3⁵ x 3²²

3²⁷

200

Is 7 rational or irrational?

Rational

300

What is an integer?

Pos/Neg Whole Number

400

Define Rational Numbers and give 3 examples. 

Any number that can be written as a fraction.

Exs: 10, 0.2, 0.33333333...

500

Define Irrational Numbers and give 3 examples.

Decimals that do not end or repeat.

Exs: Pi, Sq. Root of 2, 7.237421334267...

Exponents/Roots

100

Square Root of 81

9

200

5¹⁰ divided by 5³

5⁷

300

Estimate the square root of 37

About 6.1

400

(3⁴)⁵

3²⁰

500

Place on a number line:

-2, 1, 0.3, 2/3, -0.8 

See Number Line

Rational Numbers

100

1.2 x 3.5

4.2

200

Find x.

0.2 + x = 1.5

x = 1.3

300

1/5 + 3/4

19/20

400

1/5 x 3/4

3/20

500

1/5 divided by 3/4

4/15