Engineering Board Exam Reviewer · Equations of Lines · medium
Find the equation of the line if the x-intercept and y-intercept are -2 and 4, respectively.
- y-2x-4=0
- y+2x-4=0
- y-2x+4=0
- y+2x+4=0
Answer
A. y-2x-4=0
Solution
Using intercept form x/-2 + y/4 = 1 and simplifying gives y-2x-4=0, which checks out for both intercept points (-2,0) and (0,4).
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