8.2.3 Solving Radical Equations and Inequalities - Practice
1. Solve the equation. x 4 5 4 16 3 − + = −
2. Solve the equation. x x 2 4 2 4 3 3 − = +
4. Solve the equation. x 25 5(3 4) 1 3 = −
3. Solve the equation. x x 2 3 12 − = +
6. The formula S can be used to approximate the side length of a regular octagon with an area A . To the nearest A 4.828 = square meter, what is the area of an octagon with a side length of 12 m?
5. Solve the inequality. x 5 4 11 ≤ −
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