Philip P. answered • 06/08/18
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y = -10x + 1 is the equation of a line of the form y = kx + b, where k = slope = -10 and b = y-intercept = 1. Proportional relations are also lines but have the form y = kx, where the y-intercept is always zero. So the equation y = -10x + 1 is not a proportional relation. Do you have additional questions about it?
