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Conjugate of Denominator

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Presentation on theme: "Conjugate of Denominator"— Presentation transcript:

1 Conjugate of Denominator
SIMPLIFYING QUOTIENTS OF RADICALS Conjugate: Value or that is multiplied to a radical expression That clears the radical. Rationalizing: Removing a radical expression from the denominator of a fraction. Process: Multiply the fraction by a factor of one its conjugate of denominator. _NUMERATOR_ DENOMINATOR Conjugate of Denominator _NUMERATOR_ DENOMINATOR Example 1 Rationalizing Square Roots [B] [A]

2 Practice Rationalizing Square Roots
[2] [1] [3] [4]

3 Example 2 Rationalizing Square Roots with variables
When using variables, how many more variables are needed to complete the index. Square roots = make pairs with all variables. [B] [A] [C] [d]

4 Example 3: Rationalizing Cube Roots
[D] [C]

5 PRACTICE: Rationalizing Cube Roots
[2] [1] [4] [3]

6 Example 4 Tougher Rationalizing – Multiple Variables
[C] [D]

7 PRACTICE - Simplifying Radicals:
[1] [2] [3] [4] [5] [6]

8 PRACTICE - Simplifying Radicals: continued
[7] [8] [9] [12] [10] [11]

9 Binomial Conjugate: Binomial that differ only by an addition or subtraction of terms. The product of binomial conjugates is a difference of squares (FOIL) [A] [B]

10 What is the Binomial Conjugate and Find the product?
[1] [2] [3] [4]

11 Example 1: Use Binomials Conjugates to Rationalize

12 Practice: Use Binomials Conjugates to Rationalize
[1] [2] [3] [4]


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