28-10-2014
Mathematics

Answered

Write the equation for the following relation. E = {(x, y): (2, 15), (5, 30), (8, 45), . . .}

Answer :

ollieboyne ollieboyne

28-10-2014

y = 5x + 5

If y = mx + c,

m = change in y/change in x

m = 15/3

m = 5

y = 5x + c
Using the point (2,15):

(15)=5(2)+c
c = 15-10
c=5

so y = 5x + 5

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