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15 May, 21:20

Write an equation in general form of the line passing through (3, - 5) whose slope is the negative reciprocal of - 1/4

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  1. 16 May, 01:05
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    Negative reciprocal means

    -1/4 times x=-1 solve for x

    multiply both sides by - 4/1

    x=-4

    so slope=-4

    y=mx+b

    m=slope, b=y intercpet

    y=-4x+b

    input 3 for x and - 5 for y

    -5=-4 (3) + b

    -5=-12+b

    add 12 to both sides

    7=b

    the equation in slope intercept form is y=-4x+7

    that is my standard form

    another standard form is

    y+4x=7
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