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18 May, 01:43

Find an equation for the line perpendicular to the line - 7x-9y=-6 having the same y-intercept as 2x-6y=6

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  1. 18 May, 03:29
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    -7x - 9y = - 6

    -9y = 7x - 6

    y = - 7/9x + 2/3 ... slope here is - 7/9 ... a perpendicular line will have a negative reciprocal slope. So the perpendicular line will have a slope of 9/7

    2x - 6y = 6

    -6y = - 2x + 6

    y = 1/3x - 1 ... the y int here is - 1

    so ur equation is : y = 9/7x - 1 <==
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