multiplying and dividing rational expressions. review: multiplying fractions
TRANSCRIPT
Multiplying AND DIVIDING RATIONAL EXPRESSIONS
Review: Multiplying fractions
13
6*2 x
y8
7*3
4
y
x
8
9*
3
4
Multiplying Rational Functions
You multiply rational functions like you do every other fraction: STRAIGHT ACROSS
• Steps:Factor where neededMultiply straight across Simplify
(Don’t forget to write down your holes before you cancel out common factors)
Multiplying Rational Expressions
Multiplying Rational Expressions
Dividing Rational Expressions
Remember: Dividing by a fraction is the same thing as multiplying by the reciprocal.
Flip the second fraction, multiply, then simplify.
Keep Change Flip
Dividing Rational Expressions
Dividing Rational Expressions
123
1
16
1522
2
a
a
a
aa
Dividing Rational Expressions