Answer:
finding equation = y2-y1/x2-x1 + b =y
take 2 random points in graph, luckily this is a direct variation graph so we will use the origin (0,0) and the second one we can take is (24,6)
6-0/24-0=6/24 = 1/4 = slope
y=1/4x
there is no b because it passes through origin
hope this answers your question
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Explanation: