A Radical Expression is an equation that has a variable in a radicand or has a variable with. Check Substitute 1 for x in the equation. What is the height of the triangle? To make this website work, we log user data and share it with processors. Subtract x from both sides and subtract 2 from both sides. What is the length of the rectangle?

What is the length of the rectangle? Example 2c Solve the equation. Add 4 to both sides. Auth with social network: The length of the rectangle is cm. Substitute 5 for w, 15 for A, and for l.

Check Substitute 50 for x in the original equation.

## Solving Radical Equations

If you multiply or divide both sides by a negative, flip the inequality. Subtract 12 from each sides. The length of the rectangle is cm. Example 1a Solve the equation. How do we solve equations with fractional or negative exponents?

To use this website, you must agree to our Privacy Policyincluding cookie policy. The only solution is 3. Example 4b Solve the equation. Solve this new equation problme x by taking the square root of both sides.

A triangle has an area of 48 square feet, its base is 6 feet and its height is feet.

# Solving Radical Equations and Inequalities – ppt download

You can do this by using one or more inverse operations. Check Substitute 5 for x in the equation.

For a square root, the index of the radical is 2. Example 3b Continued Solve the equation. What is the length of the rectangle? probllem

## Extraneous solutions of radical equations

88-8 Example 3a Continued Solve the equation. Share buttons are a little bit lower. Add 4 to both sides. Auth with social network: Substitute 8 for b, 36 for A and for h. Add 1 to both sides. Example 3b Solve the equation. My presentations Profile Feedback Log out. What is the height of the triangle?

Substitute 5 for w, 15 for A, and for l. Chapter 5 Sec 8 Radical Equations. Divide both sides by 2. To solve equations involving square roots and equations involving perfect squares.

Method 1 Divide both sides by 2.