Solving Radical Equations - newpaltz.k12.ny.us



Solving Radical Equations 1 Name:________________________________

A "radical" equation is an equation in which there is a variable inside the radical sign.

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Here are four steps to solve equations with radicals

Step 1: Isolate the radicals to left side of the equal sign.

Step 2: Square each side of the equation

(If the radical is not a square root, raise each

side to a power equal to the index of the root.)

Step 3: Solve the resulting equation

Step 4: Check all solutions

Solve these equations. Be sure to check for extraneous solutions!

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|7 [pic] |8 [pic] |

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[pic]CHECK

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