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# Algebra I - Chapter 4 PowerPoint PPT Presentation

Algebra I - Chapter 4. 4.1 Exponents. Exponents. N 4 = Remember that the power just deals with the variable in front of it. MN 2 (MN) 2. Let’s Try Some:. Evaluate if a = 3 and b = -2 ab – a 2 a 3 + 2b 3. Vocabulary:.

Algebra I - Chapter 4

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## Algebra I - Chapter 4

4.1 Exponents

### Exponents

N 4 =

Remember that the power just deals with the variable in front of it.

MN2

(MN)2

### Let’s Try Some:

• Evaluate if a = 3 and b = -2

ab – a2

a3 + 2b3

### Vocabulary:

• A monomial is an expression that is a number, a variable, or the product of a number and one or more variables

They cannot contain variables in denominators,

variables with exponents that are negative, or

• Constants are monomials that contain no variables

• The numerical factor of a monomial is the coefficient of the variable

### More Vocabulary:

A Polynomial is a monomial or a sum of monomials

The monomials that make up a polynomial are called the terms of the polynomial

Like terms are the ones that can be combined

### Vocabulary:

• The degree of a monomial is the sum of the exponents of it variables – the degree of a constant is zero

### Even More Vocab!

• Binomials (two terms)

• Trinomial (three terms)

• The degree is the degree of the monomial with the greatest degree

## Tonight’s Homework:

Page 144 (24-31)(40-43)

Vocab Quiz next class – 4.1-4.2