Rational Exponents - Math 2

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Published on March 10, 2014

Author: joannemarierosacrooks

Source: slideshare.net

Description

A review of rationalizing the denominator. Then lesson on rational exponents, writing radical from exponent form, writing exponent form from radical form, and evaluating.

Lesson 3 1st March 10, 2014 The first 6 slides are review of Friday's lesson! Today's lesson begins on slide #6.

Lesson 3 1st March 10, 2014

Lesson 3 1st March 10, 2014

Lesson 3 1st March 10, 2014

Lesson 3 1st March 10, 2014

Lesson 3 1st March 10, 2014 PullPull b 1 2 b=Therefore, we can define Rational Exponents Squaring a number and taking the square root are inverse operations. (x 3)=6 2 + (b ) =(b) 21 2 1 2( )( )1 2 =b 1 =b 1 (b ) 21 2 ( b ) 2 =b 1 (b ) 21 2 ( b ) 2 = So . . . if and then PullPull (x 3)= 6 2 + ± PullPull x 3 = 6± + PullPull x = -3 6±

Lesson 3 1st March 10, 2014 ** For any real number, b and for any positive integer, n, b = b n 1 n Write each expression in radical form: 1) a = 1 4 3 y 2) x = 1 5 Write expression using rational exponents: 3) 8 4) n

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