SOLUTION: find the value of k if 3x-4y+2 is perpendicular to 5x+ky+7. Please hurry! Thank you
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Question 996718: find the value of k if 3x-4y+2 is perpendicular to 5x+ky+7. Please hurry! Thank you
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Are the expressions equal to 0?
Lines and their slopes are .
Those slopes must conform to to make the lines be perpendicular.
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