ch 8 - rational & radical functions 8.8 – solving radical equations and inequalities
DESCRIPTION
A radical equation contains a variable within a radical. Steps for Solving Radical Equations 1. Isolate the radical. 2. Raise both sides of the equation to the power equal to the index of the radical. 3. Simplify and solve.TRANSCRIPT
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Ch 8 - Rational & Radical Functions
8.8 – Solving Radical Equations and
Inequalities
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Do you know the meaning of these words or phrases?Radical equationRadical inequality
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A radical equation contains a variable within a radical.Steps for Solving Radical
Equations1.Isolate the radical.2.Raise both sides of the equation to the power equal to the index of the radical.3.Simplify and solve.
![Page 4: Ch 8 - Rational & Radical Functions 8.8 – Solving Radical Equations and Inequalities](https://reader036.vdocument.in/reader036/viewer/2022082501/5a4d1b0a7f8b9ab05998a524/html5/thumbnails/4.jpg)
Solve each equation.1615. xA 84757. 3 xB
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Solve each equation.23327. xxC
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Solve each equation.xxD 5333.
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Use similar methods to solve equations containing rational exponents.
375. 31xA 2
1842. xxB
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A radical inequality is an inequality that contains a variable within a radical.
.9362 xSolve
The important thing to now consider is that the radicand can never be negative. So, how can we let our answers show this?