rationalize denominators (5) work.notebook
Do Now: Check HW Pg 101 # 5 ­ 41 column
Rationalizing Denominators
To rationalize the denominator of a fraction means to write the fraction as an equivalent fraction with a denominator that is a rational number.
Ex) Sometimes you multiply the numerator and denominator by just the simplified radical in the denominator, other times you multiply the numerator and denominator by the conjugate of the denominator.
Vocab: Conjugate of (1 + √3) is (1 ­ √3)
rationalize denominators (5) work.notebook
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rationalize denominators (5) work.notebook
Critical Thinking: How would you rationalize the following:
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∛3
Directions: You must find what you can multiply by the radical to get a perfect cube number. Don't forget to multiply both numerator and denominator.
Critical Thinking: How would you rationalize the following:
1
∛16
Directions: You must find what you can multiply by the radical to get a perfect cube number. Don't forget to multiply both numerator and denominator.
rationalize denominators (5) work.notebook
Homework: Pg 107 ­ 108 #3 ­ 5, 6 ­ 34 column
Pg 115 # 9, 10, 11 ­ 38 column