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1 February, 23:53

What is the equation of the line that goes through (4,6) and is perpendicular to y = - 1/2x + 3? Showing steps

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Answers (2)
  1. 2 February, 00:08
    0
    y = 2x - 2

    Step-by-step explanation:

    A line perpendicular to y = - 1/2x + 3 has slope 2, which is the "negative reciprocal" of the given slope - 1/2.

    Start with y = mx + b. This new line passes thru (4, 6) and has slope 2.

    Then: 6 = 2 (4) + b, or b = - 2.

    The desired equation is y = 2x - 2.
  2. 2 February, 00:18
    0
    y=1/2x+4

    Step-by-step explanation:

    a perpandicular line can be made by just making the x negative, or, since it's already negtive, positive.

    so i'll start with

    y=1/2x+k (just basic equation w no values)

    6=2+k (adding values of the coordinate)

    4=k (simplifying)

    y=1/2x+4 (plugging k back in to the equation)
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