# Solve a Quadratic Equation by Graphing Guidance for Casio fx-9750GIII

Solve by graphing: ${x}^{2}-2x-15=0$

## Step 1

Select **MENU**, then select **GRAPH** or press **5**.

## Step 2

Enter the equation followed by **EXE.**

## Step 3

Click **DRAW F6.**

## Step 4

Where $y=0$, the $x$-values that make the equation true also happen to be the $x$-intercepts.