# LESSON 8-8 PROBLEM SOLVING SOLVING RADICAL EQUATIONS AND INEQUALITIES

Example 5a Continued Solve the equation. Feedback Privacy Policy Feedback. Multiply both sides by Example 2b Solve the equation. Subtract x from both sides and subtract 2 from both sides. Substitute 5 for w, 15 for A, and for l. Check Substitute 5 for x in the equation. Subtract x from both sides and subtract 2 from both sides. What is a Radical Expression? Check Substitute for x in the original equation. Example 2c Solve the equation. For a square root, the index of the radical is 2.

Solving Equations Containing To solve an equation with a radical expression, you need to isolate the variable on one side of the equation. Now you have a new equation. When an equation contains a variable within a square root, square both sides of the equation to solve.

Registration Forgot your password? Isolate what is being raised lessson a power. Solving Equations Involving Radicals: Auth with social network: Example 2b Solve the equation.

Method 1 Multiply both sides by 5. Subtract 11 from both sides.

NRICH PROBLEM SOLVING KS1

The only solution is 4. Example 3a Solve the equation. Solving Simple Radical Equations Solve the equation. Feedback Privacy Policy Feedback. Substitute 5 for w, 15 for A, and for l. Add 2 to both sides. Multiply both sides by 4. Check Substitute 1 for x in the equation. Its width is 5 cm, and its length is cm. Example 2c Solve the equation.

Auth with social network: Subtract 12 from each sides. A Radical Expression is an equation that has a variable in a radicand or has a variable with. Feedback Privacy Policy Feedback. Example 1c Solve the equation. Because of extraneous solutions, it is important to check your answers.