EDGS 646 Index

Level 4 Help for Problem One

Viewing the GRAPHS of the various equations may help you to understand what is happening here.

How might we view the graph of x² = 4?

We may choose to plot equations such as x² = 4 by plotting both sides individually. This gives the parabola y = x² crossing the horizontal line y = 4 at two points.

Back to Problem One?

EDGS 646 Index