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Graph the equation by plotting points

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Parviz F. | Mathematics professor at Community CollegesMathematics professor at Community Colle...
4.8 4.8 (4 lesson ratings) (4)
 All you need to do is find coordinates of 2 points and connect them with straightedge and extend them
   Y = x
   X= 0 y =0      (0,0) is one point.
    X=1 Y=1        ( 1,1) is 2nd point
        Connect the line segment passing through origin (0,0) and (1,1) and extend.     
Beth L. | Patient, Knowledgeable and Very Qualified Mathematics TutorPatient, Knowledgeable and Very Qualifie...
When x=y, whatever you plug for x it equals y, so plot on x/y would be data points like this (0,0), (1,1), (2,2), etc.  same goes for negative numbers (-1, -1), what you have is a diagonal line through quadrants II and III going through (0,0).