Unformatted text preview: @ Exertise Score: i of ‘1.pt Assignment Score: 79% (24.5 0F'3i'pizs) Si ofﬁi compl. Graph the equation by plotting points. '3 Graph the equation by plotting points. 7o—myzo - - " y=_5 Use the graphing tool to graph the equation. - - - - - .. graph will be the same. - ‘
3| _' ' I I ' "
in?! For example, ifx= - 1, y= - 5. To ﬁnd another point choose another value
ofx sayx=2,y= —5. Now, to graph the equation, you plot the
points you found. napr—n
puma—3 Now, to complete the graph, draw a line
through the points you plotted. Always remember to plot a third point in _ , | order to check to be sure your graph is QUBSt'Un '5 comp Ete' correct. To ﬁnd the coordinates ofa third
All'pai-rs_;_;'ha -:- _ .- ., _ _ point, you simply substitute a value ofx into
:— - ' the given equation and solve for y. Fo ﬁnd a third point choose another yalue ofx, say X: D.
Plot (ﬂ,- 5) Note that (U, - 5) is on the line. This is
what you should expect since any horizontal line y =b passes through the
point (D,b). v nllar+inn ir nnmnIQJ-a ...
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- Fall '09