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by kishore » Mon Jun 02, 2008 12:54 pm
Product of Slopes of perpedicular lines = -1

y = 5x+2 represents y = mx+c

m is slope = > m1 = 5

line perpendicular to y = 5x+2 has slope m2 = -1/5

m1*m2 = 5 * -1/5 = -1

perpendicular line would be y = -1/5(x)+2
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by kishore » Mon Jun 02, 2008 1:00 pm
so, answer would be


b. y=-1/5x+5
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by molt_llest » Tue Jun 03, 2008 2:53 am
Thank you, now I know to work with this type of questions
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