itomath.com

Power Equations $x^n=k$

Evaluate.

$8^3$

Solve for $x$.

If there are 2 solutions, separate them with a comma or use the $pm$ symbol.
If there are no solutions, type “no solutions”.

$x^3=27 \qquad x=$

Solve for $x$ giving exact answers.

If there are 2 solutions, separate them with a comma or use the $\pm$ symbol.
If there are no solutions, type "no solutions".

$x^2=5 \qquad x=$
$x^2=11 \qquad x=$

$x^2=-7 \qquad x=$
$x^2=-2 \qquad x=$

$x^3=7 \qquad x=$
$\sqrt{7}$
$x^3=-7 \qquad x=$
$-$ $\sqrt{7}$

$x^4=8 \qquad x=$
$\sqrt{8}$
$x^4=-8 \qquad x=$