Pre-Algebra Chapter 4 Review

Exponents

100

In the term 

7^3

What is the base and what is the exponent?

7 is the base; 3 is the exponent

200

Write the number in expanded form:

6^5

6x6x6x6x6

300

Evaluate the exponent:

4^4

256

400

Evaluate the expression:

6-2^3+3^2

7

500

Evaluate the expression:

(4^0+7^0+12)/(7)

2

Prime Factorization

100

What is a prime number?

A number whose only factors are one and itself or a number that only has two factors.

200

Factor the number without using exponents in your final answer:

110

2*5*11

300

Factor the number without using exponents in your final answer:

-72

-1x2x2x2x3x3

400

Factor the monomial without using exponents in your final answer:

42xy^2

2*3*7*x*y*y

500

Factor the monomial without using exponents in your final answer:

-560x^4y^2

-1*2*2*2*2*5*7*x*x*x*x*y*y

GCF

100

What does GCF stand for?

Greatest common factor

200

What is GCF? Give an example.

Greatest common factor

300

What is the GCF of 108 and 144?

36

400

What is the GCF of 20cd and 50d?

10d

500

What is the GCF of 18a, 30ab, and 42b?

6

Simplifying Fractions

100

Name 2 different fraction forms.

standard, improper, mixed number

200

Simplify the fraction:

25/40

5/8

300

Simplify the fraction:

z^3/x

z^3/x

400

Simplify the fraction; keep your answer as an improper fraction or mixed number:

64/16

4

500

Simplify the fraction: 

(30x^2)/(51xy)

(10x)/17y

Factor

100

What is a factor?

Something that is multiplied by somethinng else.

200

When factoring (except for monomials) your answer should have _____________?

parentheses

300

21x + 33

3(7x + 11)

400

54x²y + 81xy² 

27xy(2x + 3y) or 9xy(6x + 9y)

500

-36x³ - 42x²

-6x²(6x + 7) or 6x²(-6x - 7)  or -6x(6x² + 7x)