Example 1b Solve the equation. Registration Forgot your password? Substitute 8 for b, 36 for A and for h. Both answers are extraneous. To use this website, you must agree to our Privacy Policy , including cookie policy. There is no solution.

Example 4a Solve the equation. Example 5b Continued Solve the equation. If you multiply or divide both sides by a negative, flip the inequality. Substitute 8 for b, 36 for A and for h. Divide each side by 2. When an equation contains a variable within a square root, square both sides of the equation to solve. Solve this new equation for x by taking the square root of both sides.

Published by Lambert Warren Modified over 3 years ago. For a square root, the index of the radical is 2. Symbol representing a fractional power Radical with index: Solving Equations Involving Radicals: Substitute 8 for b, 36 for A and for h. Auth with social network: When an equation contains a variable within a square root, square both sides of the equation to solve. Share buttons are a little bit lower.

Subtract 11 inequualities both iequalities.

Check Substitute 64 for x in the original equation. Add 1 to both sides. Method 2 Square both sides.

radicxl Example 3a Continued Solve the equation. Example 2a Solve the equation. Example 4b Solve the equation. The only solution is 4. The length of the rectangle is cm. Check Substitute 5 for x in the equation.

# Solving Radical Equations and Inequalities – ppt download

Example 5b Continued Solve the equation. My presentations Profile Feedback Log out. Example 1c Solve the equation. For a square root, the index of the radical is 2.

Subtract 6 from both sides. Example 5b Solve the equation.

Add 2 to both sides. Raise solvin side to the same power to eliminate the root. To make this website work, we log user data and share it with processors. Divide both sides by 2. Solve this new equation for x by taking the square root of both sides.

## Extraneous solutions of radical equations

To solve equations involving square roots and equations involving perfect squares. Share buttons are a little bit lower. Example 4a Solve the equation. Check Substitute 36 for x in the original equation. Substitute 5 for w, 15 for A, and for l. Check Substitute 1 for x in the equation. Example 1b Solve the equation.