Find the equation of the line through the given pair of points. Solve it for y if possible.
-(4, 5), (-8, 5)
A) y = 5
B) y = 4x - 19
C) y = 2x - 11
D) y = 8x - 35

Question

Quizplus · Accepted Answer

The slope (m) of a line through points (x1, y1) and (x2, y2) is given by m = (y2 - y1) / (x2 - x1). For points (4, 5) and (-8, 5), the slope is (5 - 5) / (-8 - 4) = 0 / -12 = 0. This means the line is horizontal. Since both points have the same y-coordinate (5), the equation of the line is y = 5.

Find the Equation of the Line Through the Given Pair