8th Grade Math Unit 1: Real Numbers Review

Vocabulary

100

What is the base in: x³

x

200

The number that is multiplied by a variable in an expression is called a... 

Coefficient

300

This symbol ∛ is called a 

Cube Root

400

The inverse of squaring a number is

Square Root

500

A decimal that is non-repeating and non-terminating.

Irrational

Exponent Rules

100

2³

8

200

a⁰

1

300

a^9/a^4

a⁵

400

x³ * x⁵

x⁸

500

x^-3

(1)/(x^3)

Exponent Rules Part 2

100

(n³)⁴

n¹²

200

3b³ * b⁷

3b¹⁰

300

(12y^5)/(2y^2)

6y³

400

Simplify and write final answer in exponential form with positive exponents, 

a^-5*a

(1)/(a^4)

500

Simplify and write final answer in exponential form with positive exponents,  5^-8 *5⁴

(1)/(5^4)

Solving/Applications

100

n² = 169, what is the value of n?

13

200

a³= 64, what is the value of a?

4

300

The area of a square is 144ft², the length of one side is...

12 ft

*Work (√144ft² = 12ft)

400

The volume of a cube is 125cm³, what is the length of one side?

5cm

*Work (∛125cm³ =5 cm)

500

The area of a square shaped garden is 324 square feet. What is the length, in feet, of each side of the garden? 

18

Mix Bag

100

Freebie! 

This holiday is celebrated from November 1st to November 2nd

Dia de los Muertos 

200

Vocabulary: Rational numbers include...

(Name at least two types of numbers, for example terminating decimals, integers...)

Repeating Decimals

Terminating Decimals

Fractions

Integers

Whole Numbers

Square roots of perfect squares

Cube roots of perfect cubes

300

What value on n would make the statement true

2^3 * 2^n = 2^15

12

400

True or false, the two expression are equivalent. 

*Show your work to receive any points

(x^7)/(x^5)

(x^4)*(x^-2)

True

500

What value on n would make the statement true

(3^9)/(3^n)=(3^2)^2

5