Write an equation for the line through the two points (-1, 2) and (-2, 1).
A) x - y + 3 = 0
B) x + y = 3
C) 2y - x = 5
D) y = x + 1
E) y = x - 1

Name: Write an equation for the line through the two points (-1, 2) and (-2, 1). A) x - y + 3 = 0 B) x + y = 3 C) 2y - x = 5 D) y = x + 1 E) y = x - 1
Brand: Quizplus
Rating: 4.7 (34 reviews)

Question

Quizplus · Accepted Answer

The slope of the line through the points (-1, 2) and (-2, 1) is (1-2)/(-2+1) = -1. Using point-slope form, y - 2 = -1(x + 1), simplifies to x - y + 3 = 0.

Write an Equation for the Line Through the Two Points