WARM UP

Find the Greatest Common Factor and Least Common Multiple

1. 16 and 242. 12 and 9Multiply3.

Algebra 3Chapter 9: Rational Equations and FunctionsLesson 4: Multiplying and Dividing Rational Expressions

VOCAB

Simplified Form – Numerator and Denominator have no common factors

TODAY

Today we are going to learn how to simplify rational expressions

DIRECTIONS (Simplifying)

FactorNUMERATORDENOMINATOR

Divide out common factors

FACTORING

Factor cAdd factorsFind b

I DO (Simplifying)

Simplify the rational expressions1. 2. 3. 4.

WE DO (Simplifying)

Simplify the rational expressions1. 2. 3. 4.

YOU DO (Simplifying)

Simplify the rational expressions1. 2. 3. 4.

REVIEW

TODAY you learned…

HOMEWORK

Worksheet9.4 (1 – 3)

WARM UP

Find the Greatest Common Factor and Least Common Multiple

1. 14 and 42. 18 and 12Multiply3.

Algebra 3Chapter 9: Rational Equations and FunctionsLesson 4: Multiplying and Dividing Rational Expressions

PART 2

MULTIPLYING rational expressions

TODAY

Today we are going to learn how to multiply rational expressions

DIRECTIONS (MULTIPLYING)

Factor – like yesterdayMultiply straight across

If you have more than 1 thing you need to FOIL/DISTRIBUTE

Remember multiplying means add powersSimplify the numbersSimplify the variables

Remember Division means subtract powers

I DO (Multiplying)

Simplify the rational expressions1. 2. 3. 4.

WE DO (Multiplying)

Simplify the rational expressions1. 2. 3. 4.

YOU DO (Multiplying)

Simplify the rational expressions1. 2. 3. 4.

REVIEW

TODAY you learned…

HOMEWORK

Worksheet9.4 (4 – 7)

WARM UP

Find the Greatest Common Factor and Least Common Multiple

1. 9 and 272. 16 and 6Multiply3.

Algebra 3Chapter 9: Rational Equations and FunctionsLesson 4: Multiplying and Dividing Rational Expressions

PART 3

DIVIDING Rational Expressions

TODAY

Today we are going to learn how to divide rational expressions

DIRECTIONS (DIVIDING)

Take the reciprocal of the second fractionFactor termsMultiply straight acrossCancel out similar termsSimplify the numbersSimplify the variables

Remember Division means subtract powers

I DO (DIVIDING)

Simplify the rational expressions1. 2. 3. 4.

WE DO (DIVIDING)

Simplify the rational expressions1. 2. 3. 4.

YOU DO (DIVIDING)

Simplify the rational expressions1. 2. 3.4.

REVIEW

TODAY you learned…

HOMEWORK

Worksheet9.4 (8 - 11)

WARM UP

Find the Greatest Common Factor and Least Common Multiple

1. 8 and 202. 15 and 3Multiply3.

Algebra 3Chapter 9: Rational Equations and FunctionsLesson 4: Multiplying and Dividing Rational Expressions

TODAY

Today we are going to learn how to divide rational expressions

I/WE DO (DIVIDING)

Simplify the rational expressions1. 2. 3.4.

YOU DO (DIVIDING)

Simplify the rational expressions1. 2. 3.4.

REVIEW

TODAY you learned…

HOMEWORK

Worksheet9.4 (8 - 11)