Daily Math Lesson.notebook
November 19, 2014
Today's Objective
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Students will learn why it is necessary to check every apparent solution of a radical equation by solving radical equations and checking their solutions.
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Daily Math Lesson.notebook
November 19, 2014
6.6 Solve Radical Equations Day 2
11/19
Extraneous Solution: a solution that does not work.
Ex. 5: Solve x + 1 = √7x + 15
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Daily Math Lesson.notebook
November 19, 2014
Joke of the Day:
What is a scarecrow's
favorite fruit?
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Daily Math Lesson.notebook
November 19, 2014
Straw-berries!
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Daily Math Lesson.notebook
November 19, 2014
Ex. 6: Solve √x + 2 + 1 = √x ­ 3
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Daily Math Lesson.notebook
November 19, 2014
Other joke of the Day:
If April showers bring
May flowers, what do
May flowers bring?
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Daily Math Lesson.notebook
November 19, 2014
Pilgrims!
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Daily Math Lesson.notebook
November 19, 2014
YOU PRACTICE
Solve the equation. Check for extraneous solutions.
11. x ­ 1/2 = √1/4x
12. √10x + 9 = x + 3
13. √2x + 5 = √x + 7
14. √x + 6 ­ 2 = √x ­ 2
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Daily Math Lesson.notebook
November 19, 2014
6.6 Homework QUIZ Today!!
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Daily Math Lesson.notebook
November 19, 2014
6.6 Quiz
Solve the equation.
1. ­2√24x + 13 = ­11
2. 2x3/2 = 16
3.(1/3 x ­ 11)1/2 = 5
Solve the equation. Check for extraneous solutions.
4. √21x + 1 = x + 5
5. 3√12x ­ 5 ­ 3√8x + 15 = 0
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