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anonymous

  • 5 years ago

write the slope intercept equation for the line that passes thru (-2,3) and perpendicular to 2x-9y=-12. show work

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  1. anonymous
    • 5 years ago
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    so first you find the slope.. 2x-9y=-12 put this formula into y=....so, -9y=-2x-12 which is y=2/9x+4/3

  2. anonymous
    • 5 years ago
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    slope=2/9

  3. anonymous
    • 5 years ago
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    if it perpendicular you use the reciprocal which is 9/2

  4. anonymous
    • 5 years ago
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    y-y1=m(x-x1) point slope formula ...y-3=9/2(x+2) ...y-3=9/2x +9...= y=9/2x+12

  5. anonymous
    • 5 years ago
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    eliza, the if slope of a line is m, the slope of a line perpendicular to it is negative reciprocal of m, not just the reciprocal of m.

  6. anonymous
    • 5 years ago
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    well just the negative changes

  7. anonymous
    • 5 years ago
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    no, it becomes y = -9/2x -6

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