ISEE Middle Level Math : How to find the square root

Example Questions

Example Question #121 : How To Find The Square Root

Find :       Explanation:   Example Question #122 : How To Find The Square Root

Let .

Which of the following statements is correct about ?      Explanation:   Example Question #123 : How To Find The Square Root

Simplify:      Explanation: Example Question #124 : How To Find The Square Root

Simplify:      Explanation: Example Question #125 : How To Find The Square Root

Simplify:      Explanation: Example Question #126 : How To Find The Square Root

Simplify:      Explanation:  Example Question #127 : How To Find The Square Root

Evaluate for .

The expression is undefined in the real numbers   The expression is undefined in the real numbers

Explanation:

If , then .

This is undefined in the real numbers, since negative numbers do not have real square roots.

Example Question #128 : How To Find The Square Root

Evaluate for . The expression is undefined in the real numbers   Explanation:

If , then Example Question #129 : How To Find The Square Root      Explanation:
Find the square root:  Solve the equation: Example Question #130 : How To Find The Square Root        Solve the equation:  