find the value of k such that the graph of 7y-kx=9 and the line containing the points (2,-1) (-4,5) are perpin

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This is what I came up with so far...
5- -1 divided by -4-2 which gives me -1 for the perpindicular slope...
9-7y divided by -x... would x = the -1?

2006-10-01 16:42:49 · 2 answers · asked by born2bfree 3 in Education & Reference ➔ Homework Help

I'd say k is 1, not -1

2006-10-01 17:55:52 · answer #1 · answered by Jana H 2 · 0⤊ 0⤋

huh

2006-10-01 23:47:18 · answer #2 · answered by Blythe 1 · 0⤊ 0⤋