LINEAR FUNCTIONS Graphing And Analysis (Page 4 of 7)

To graph a horizontal line, just treat the equation as a constant function. Enter the equation in the function editor (clear the previous function) and then graph it as usual.

Try graphing the line y = -2.

 Y= key.
 CLEAR key. Negation key. 2

 ZOOM key. 6: menu selection.

 Calculator screen image. Calculator screen image.

Because this graph is a function, it may be traced as usual.
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