Homework Log Wed 9/16 Lesson 1 – 6 Learning Objective: To add, subtract, multiply, & divide rational expressions Hw: #109 Pg. 52 # 1 – 57 eoo.

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Presentation transcript:

Homework Log Wed 9/16 Lesson 1 – 6 Learning Objective: To add, subtract, multiply, & divide rational expressions Hw: #109 Pg. 52 # 1 – 57 eoo

9/16/15 Lesson 1 – 6 Rational Expressions Day 1 Advanced Math/Trig NO CALCULATOR!! Ch 1.6 – 1.9 TEST on Tues 9/29

Learning Objective To simplify rational expressions To multiply & divide rational expressions To add & subtract rational expressions

Rational Expressions Simplify Factor numerator & denominator completely Divide common factors (cancel)

Simplify

Multiply

Divide

Subtract LCD: 3(2x – 1 )(2x + 1)

Add need a common denom factor first! (a + b) b – a = –(a – b) 5.

Divide (y 2 ) (y) (y 2 ) (y) __ 1 –24 5 8–3 12 –8 –6–2 mult by recip comm denom for each ( ) 2y 2 + 8y – 3y – 12 4y 2 – 6y – 2y

#6 continued

Multiply –30 –1 –6 5

Subtract

Simplify

Subtract

Subtract 000 LCD: (x + 3)(x – 3)

Subtract LCD: (2x – 3)(x – 5)(x – 6 )

Ticket Out the Door

Homework #109 Pg. 52 # 1 – 57 eoo (1, 5, 9, 13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57)