Question 391862: What is the equation of the line containg the given pair of points (-8,-8) and (1,1)?
Answer by richard1234(7193)   (Show Source):
You can put this solution on YOUR website! y = x. Two points that do not concur determine exactly one linear function, so if you recognize that for each point y = x, then that is the linear function. Or, we can use the slope formula and find that the slope is 1. After that we can plug in either -1 or -8 and see that the y-intercept is 0, leading to the desired equation y = x.
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