Square Roots Quiz

y is a number such that its square is equal to x.

The principal square root can be expressed as $x^{1/2}$ for a non-negative x.

The principal square root of 9 is ${\sqrt{9}} = 3$.

<p>The radicand in the expression ${\sqrt{9}}$ is 9.</p> Signup and view all the answers

<p>A positive number x has two square roots: ${\sqrt{x}}$ (positive) and $-{\sqrt{x}}$ (negative).</p> Signup and view all the answers