11.3 solving radical equations
DESCRIPTION
11.3 Solving Radical Equations. 1. Definitions & Rules. 2. Simplifying Radicals. 3. Practice Problems. Definitions. Radical Equations An equation containing the variable(s) in the radical. Solving for Variables within Radicals. Steps: - PowerPoint PPT PresentationTRANSCRIPT
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11.3 Solving Radical Equations
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2
1Definitions & Rules
Simplifying Radicals
Practice Problems
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Definitions
Radical Equations An equation containing the variable(s) in
the radical
45.2
h
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Solving for Variables within Radicals
Steps: Get the square root by itself on one side of the
equal sign Square both sides Solve for the variable CHECK YOUR ANSWER!
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Radical Equation with a Variable
45.2
h
)4(4
)5.2)(4(h
h10
2210 h
h100
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Radical Equation with an Expression
1071 x7
31x
2231 x
91x1
8x
7
1
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Radical Equation with a Variable on Each Side
42 xx
2242 xx
4422
xxx
1682 2 xxxx
1692 2 xx2
1490 2 xx
)2)(7(0 xx
2,7 xxx
1692 2 xx
2
0)7( x 0)2( x
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Radical Equation with a Variable on Each Side (Cont.)
CHECK THE ANSWER!
42 xx 42 xx
7x 2x
4727
39
33
4222
24
22
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Practice Problems
Page 601Problems 18-46