A line passes through (−1, 5)(−1, 5) and (1, 3)(1, 3). which answer is the equation of the line? x y = 4 x y = 2 x 2y = 5 x 2y = 7
1 answer:
Equation of a line through two points is given by (y - y1) = ((y2 - y1)/(x2 - x1))(x - x1) y - 5 = ((3 - 5)/(1 - (-1)))(x - (-1)) y - 5 = (-2/2)(x + 1) (y - 5) = -(x + 1) = -x - 1 x + y = -1 + 5 x + y = 4
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