Engineering Board Exam Reviewer · Equations of Lines · medium
EE Board April 1997: A line passes thru (1,-3) and (-4,2). Write the equation of the line in slope-intercept form.
- y-4=x
- y=-x-2
- y=x-4
- y-2=x
Answer
B. y=-x-2
Solution
slope = 2-(-3)/-4-1 = -1. Using point (1,-3): y+3=-1(x-1), so y=-x-2.
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