Question 527114
(0,0), (1,4), (2,8), (3,12)
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m = (0-4)/(0-1) = 4
m = (4-8)/(1-2) = 4
m = (8-12)/(2-3) = 4
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So a straight line will pass through all 4 points.
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y = 4x + b
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From the first point (0,0), we know that b = 0.
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y = 4x
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{{{ graph(500,500,-15,15,-15,15,4*x) }}}