SOLUTION: So, on my study guide there's this question I don't understand at all, what's the answer and how did you get it? Which choice could be the equation of a line perpendicular to th

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Question 759626: So, on my study guide there's this question I don't understand at all, what's the answer and how did you get it?
Which choice could be the equation of a line perpendicular to the line represented by this equation?
y = 2/5x + 2
A. y = 2/5x - 3
B. y = 5/2x + 7
C. y = -5/2x - 3
D. y = -2x + 5

Found 2 solutions by oscargut, Alan3354:
Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
Answer: C
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Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Which choice could be the equation of a line perpendicular to the line represented by this equation?
y = 2/5x + 2
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The slope of lines perpendicular is the negative inverse of the slope of the given line.
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-1/(2/5) = -5/2