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28 June, 09:06

Which lines are perpendicular to the line y-1 = (x+2) ? Check all that apply.

y + 2 = - 3 (x - 4)

y-5 = 3 (x + 11)

y=-3x - 5

y = - x-2

3x + y = 7

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  1. 28 June, 09:58
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    y = - x - 2

    Step-by-step explanation:

    Simplifying the equation of our line;

    y - 1 = (x + 2)

    y = x + 3

    The slope of our line is 1

    The slope of the perpendicular line (s) must be - 1 (the product of slopes of two perpendicular lines = - 1)

    The line whose slope is - 1 (from the choices) is the one whose equation is:

    y = - x - 2
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