Precalculus Examples

${(x + 8)}^{\frac{1}{2}} = x - 4$

Step 1

Graph each side of the equation. The solution is the x-value of the point of intersection.

$x = 8$

Step 2

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$