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Write an equation of the line that passes through (2,3) and (4, 7).

A) y = 2x - 1
B) y = 2x + 15
C) y = -2x - 1
D) y = -2x + 15

1 Answer

4 votes

Answer:

A) y=2x-1

Explanation:

y-y1 =
(y2-y1)/(x2-x1)(x-x1) => y-3 =
(7-3)/(4-2)(x-2) => y-3= 2x-4 => y=2x-1

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