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1 More Work With Rationals ... if you're not talking about it you're not learning it. Doing homework by flickr user gardenghelle

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Page 1: 6 Rational Expressions Mar 12

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More Work With Rationals ...

if you're not talkingabout it you're not learning it.

Doing homework by flickr user gardenghelle

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Simplify and state restrictions if any ...

Simplifying

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Adding or Subtracting Rational Expressions with LIKE Denominiators

­Add or subtract the numerators and place over a common denominator.

Example 1

14 4

2____ =+

Example 2

ac c

b____ =+

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Example 3   Add or subtract, simplify and state any non­permissibles

4 6 5x 5x__ __+

Example 4

____ ____­2x 8x + 3 x + 3

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Adding or Subtracting Rational Expressions with unlike Denominators1) Factor the expression2) Find the least common denominator3) Rewrite each expression using the LCD4) Add or subtract expression.Example 5

__ __ =­4 24

57

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Example 6

+3x + 2  x ­ 4 2x ­14 8 6

____ __________ ­

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Example 7  Simplify and state any restrictions

4t + 1 3t + 22t ­ 1_____ _____ _____+ ­6 2 3

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Example 8  Simplify and state any restrictions

4 6x x2

___ ___+

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Example 9 Simplify and state any restrictions

4x + 3

5 x ­ 2

­ __________

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Simplify and state restrictions if any ...

Addition

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Assignment p. 165  1­25      p.  172  1­9