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anonymous

  • one year ago

Indicate in standard form the equation of the line passing through the given points. B(0, 0), C(4, -4)

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  1. anonymous
    • one year ago
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    1. find the slope first i.e. m = y2-y1/x2-x1

  2. anonymous
    • one year ago
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    okay after that?

  3. anonymous
    • one year ago
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    2. use the equation y-y1 = m(x-x1)

  4. anonymous
    • one year ago
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    so for the first part you should have got (-4-0)/(4-0) = -4/4 = -1

  5. anonymous
    • one year ago
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    for the second part we let (x1, y1) = (4,-4) so our equation becomes: y-(-4) = -1(x-4) y+4 = -x + 4 y=-x This works equally well if you chose (0,0) as(x1,y1)

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