Solve a Quadratic Equation by Graphing Guidance for Casio fx-9750GIII
Solve by graphing:
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 , the -values that make the equation true also happen to be the -intercepts.