Ch 8 - Rational & Radical Functions 8.8 – Solving Radical Equations and Inequalities.

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Presentation transcript:

Ch 8 - Rational & Radical Functions 8.8 – Solving Radical Equations and Inequalities

Do you know the meaning of these words or phrases? Radical equation Radical inequality

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.

Solve each equation.

Use similar methods to solve equations containing rational exponents.

A radical inequality is an inequality that contains a variable within a radical. Solve The important thing to now consider is that the radicand can never be negative. So, how can we let our answers show this?