Straight Line Question 338

Question: Line passing through (1, 2) and (2, 5) is [RPET 1995]

Options:

A) $ 3x-y+1=0 $

B) $ 3x+y+1=0 $

C) $ y-3x+1=0 $

D) $ 3x+y-1=0 $

Show Answer

Answer:

Correct Answer: C

Solution:

  • Required equation is $ y-2=\frac{5-2}{2-1}(x-1)\Rightarrow y-3x+1=0 $ .