8th Grade Math Review

The Number System

100

The square root of 30 falls between what two integers?

5 and 6

200

Simplify the following:

4³ x 4⁷

4¹⁰

300

x³ = 64

What is the value of x?

4

400

Rational or Irrational?

3pi/4pi

rational

500

(9 x 10³) (8 x 10⁴)

7.2 x 10⁸

Functions

100

Function or Not a Function?

(2,4), (3,4), (4,4), (5,4)

Function

200

What is the slope in the following equation?

6x + 2y = 12

-3

300

Find the slope between the following points:

(8,7) and (8, 4)

undefined

400

Write the equation of the table

x      y

-1     2

0      4

1      6

2      8

y = 2x + 4

500

Linear or Nonlinear?

2x - 3y = 9

Linear

Expressions and Equations

100

Solve the following one-step equation.

3x = 9

x = 3

200

Solve the following 2-step equation.

3x + 6 = 18

x = 4

300

Solve the following multi-step equation:

4x + 6 + 3 = 17

x = 2

400

-3 + 5(x + 6) = 37

x = 2

500

Solve the following system of equations:

y = 6x - 11

-2x -3y = -7

(2,1)

Geometry

100

This is the only type of transformation that results in similar images.

Dilation

200

These angles share a vertex.

vertical angles

300

Is this a right triangle?

6, 8, 9

No, it is not a right triangle as a² + b² does not equal c².

400

Find the volume of the cylinder described below.  Round to the nearest whole number.

Height - 3 cm

Diameter - 10 cm

236 cm³

500

Find the volume of the sphere described below.

Radius: 4 feet

268 ft³

Data & Statistics

100

Write your own definition of an outlier?

An outlier lies outside the set of data being measured.

200

What are the three types of correlations for a scatter plot?

positive, negative, no correlation

300

What is the probability of rolling double sixes?

1/36

400

What is the probability of rolling two odd numbers?

1/4

500

What is the probability of drawing two hearts from a deck of cards (without replacement)?

1/17