2x-5y=5
In order to solve this linearly(in points), you must plug in numbers into x or y, then solve the equation for the other variable.
For example: if you plug 0 into x, or into y. You will need to do this with at least two points, three two be safe.
2(0)-5y=5 2x-5(0)=5
0-5y=5 2x=5
0-5y-0=5-0 2x/2=5/2
-5y=5 x=5/2
-5y/-5=5/-5 (5/2,0)
y=-1 You then create a graph and plot the points. Next, draw a
(0,-1) connecting the two points, and...voila! you have put 2x-5y=5
into points on a line.
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Points of a pentangle
5
The points of intersection are: (7/3, 1/3) and (3, 1)
Points of intersection work out as: (3, 4) and (-1, -2)
7