Warm-Up #9 (Tuesday, 9/22) ( 3 )( 3 +1) (2 20 )(7 5 ) 3 +2 3.

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Warm-Up #9 (Tuesday, 9/22) ( 3 )( 3 +1) (2 20 )(7 5 ) 3 +2 3

Homework (Tuesday, 9/22) Rationalize the denominators worksheet Advanced: front #1-14, back #1-4 Regular: front #1-12 ALL, back #1-2

Conjugates Many rational quotients have a sum or difference of terms in a denominator, rather than a single radical. need to multiply by the conjugate of the denominator The conjugate uses the same terms, but the opposite operation (+ or ).

If the denominator contains a radical and it is not a monomial term, then the use of a conjugate is required. conjugate

conjugate

Rationalizing the Denominator Example Rationalize the denominator.