Warm up: Factor

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Warm up Factor List which process(es) you used.
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Homework Questions?

• Pg. 664 14 31

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12-1 Simplifying Rational Expressions

• Objective To simplify rational expressions.
• Standard 12.0

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Excluded Values

• Excluded Values values that make the
  denominator zero (because we cannot divide by
  zero).
• Always find the excluded values BEFORE you cancel
  anything out.
• Examples State the excluded values

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Steps

• Factor top and bottom of fraction separately
• GCF
• Binomial Difference of 2 squares
• Trinomial X-Box, Perfect Square trinomial
• Find excluded values (denominator 0)
• Cancel out factors (what top and bottom have in
  common)

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Example 1
Excluded values
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Homework

• Simplifying Fractions worksheet

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Math Lab Warm up Factor
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Steps

• Factor top and bottom of fraction separately
• GCF
• Binomial Difference of 2 squares
• Trinomial X-Box, Perfect Square trinomial
• Find excluded values (denominator 0)
• Cancel out factors (what top and bottom have in
  common)

10
Excluded Values

• Excluded Values values that make the
  denominator zero (because we cannot divide by
  zero).
• Always find the excluded values BEFORE you cancel
  anything out.
• Examples State the excluded values