Engineering Board Exam Reviewer · Equations of Lines · medium
Find the equation of the line through (-1,2) and (3,-4).
- 3 x - 2 y + 7 = 0
- 3 x + 2 y - 1 = 0
- 2 x + 3 y - 4 = 0
- 3 x + 2 y + 1 = 0
Answer
B. 3 x + 2 y - 1 = 0
Solution
Slope =-4-2/3-(-1)=- 32. Then y-2=- 32(x+1) 3x+2y-1=0.
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