It takes 45 seconds. the easiest way to do these is to use a graphic calculator and replace the variables with x and y, for example, this equation would become -5x^2+30x, and if you don't have access to a graphing calculator, you can always use desmos online.
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First, the y-intercept is -3 so from -3 the slop to the next point is 4/1.
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IDK this stuff is confusing
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Plz like and follow
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1 and 3
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