Rational Expressions l Multiplying/Dividing l Adding/Subtracting l Complex Fractions.
WARM UP. Algebra 3 Chapter 9: Rational Equations and Functions Lesson 4: Multiplying and Dividing...
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WARM UP Find the Greatest Common Factor and Least Common Multiple 1. 16 and 24 2. 12 and 9 Multiply 3.
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Transcript of WARM UP. Algebra 3 Chapter 9: Rational Equations and Functions Lesson 4: Multiplying and Dividing...
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)
