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anonymous
 5 years ago
can anyone please double check my work? the math problem is ..write an equation of the line containing the given point and perpendicular to the given line.....
(0,9);2x+7y...I got the answer of 2/9x+9
anonymous
 5 years ago
can anyone please double check my work? the math problem is ..write an equation of the line containing the given point and perpendicular to the given line..... (0,9);2x+7y...I got the answer of 2/9x+9

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amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0a perp.line has the propety that the slope of the lines, when multiplied together will be (1)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0y=2/7x +.... perp line: y = 7/2x + b (x=0,y=9) 9 = 7/2(0) + b b=9 perp line: y = 7/2x + 9 {9 = 18/2} 7x + 2y = 18 ; some texts dont like the () in front so multiply everything by (1) 7x  2y = 18

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0think of the slope as: (first)/(last) which in this case is: (2)/(7); now we need to multiply this by some number to get (1) (2/7)n = 1 2n = 7 n = 7/2 ; since 2negatives give a positive we write: n = 7/2 for the slope of the perp.line...
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