do now: factor the expression, if possible.. academy algebra ii/trig r7: rational expressions hw:...

Do Now: Factor the expression, if possible.

23 .2

1 .1

2

3

xx

x

Academy Algebra II/Trig

R7: Rational ExpressionsHW: tonight: p.69-70 (8-32 every other even), tomorrow: p.70-71 (36, 40, 62, 64, 70, 76, 84)

Unit 9 Quiz: R7 – Tuesday, 3/25

Reduce the rational expression to lowest terms.

23

44 .1

2

2

xx

xx

Reducing, Multiplying, and Dividing Rational Expressions.

Factor all polynomials in each numerator and denominator.

Only identical polynomials can cancel with each other.

Reduce any monomials if necessary.


xx

x

2

8 .2

3

3


12

28 .3

2 xx

x

Perform the indicated operation and simplify the result.

2

4412 .4

2

2

3

2

xx

x

xx

xx


8

12

4

3 .5

3

2

2

x

xx

x

x


xx

x

612

12

3

84 .6


214

149

352

103 .7

2

2

2

2

xx

xx

xx

xx

Adding and Subtracting Rational Expressions.

Create common denominators.Factor denominator.

Only identical polynomials can cancel with each other.

Reduce any monomials if necessary.


52

3

52

42 .8

2

x

x

x

x


3

23

3 .9

x

x

x

x


24

3 .10

x

x

x

x


1

32

23 .11

22

x

x

xx

x

Do Now: Perform the indicated operation and simplify the result.

xx

x 1

4 .12

2

2


12

43 .13

22

xx

x

xx


122

24 .14

2

xxxx

do now: factor the expression, if possible.. academy algebra ii/trig r7: rational expressions hw:...

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