solving radical equations

Front

The number under the radical sign or square root sign is called the ______.

Back

radicand

Front

Solve: √(16) = ?

Back

4

Front

Solve: √(64) = ?

Back

8

Front

Solve: √(0) = ?

Back

0

Front

Solve: √(25) = ?

Back

5

Front

Solve: √(x^2) = ? (where x is a real number)

Back

|x|

Front

What is the principal square root of a number?

Back

The non-negative root of a number.

Front

Solve: x^2 = 16. What are the possible values of x?

Back

x = 4 or x = -4

Front

Solve: x^2 = -9. What is the solution?

Back

no solution (in real numbers)

Front

What is the first step in solving radical equations?

Back

Isolate the radical on one side of the equation.