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Find the equation of the line passing through the given points, (1,5) and (2, 7). Which

formula should you use first?

1 Answer

9 votes
slope formula (y2-y1)/(x2-x1)

(7-5)/(2-1) slope is 2

then plug in a coordinate point into the equation

y=2x+b

7=2(2)+b

b=3

therefore the equation is

y=2x+3
User Hapeki
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