EL-9900 Graphing Calculator

Step & Key Operation

Display

Notes

2-2View the graphs.

GRAPH

These lines have slopes that are negative reciprocals of each other (m = - m1 ). They are called perpendicular. Note that these intersecting lines form four equal angles.

The Graphing Calculator can be used to draw parallel or perpendicular lines while learning the slope or y-intercept of linear equations.

3-2

Page 10
Image 10
Sharp EL9900 manual 2View the graphs