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Is it true that the y-intercept of the straight line with equation Ax + By + C = 0 is -C/B (B �‚ 0).

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asked by Brenda
  1. yes, easy to show

    for the y-intercept, x = 0

    so in Ax + By + C = 0
    0 + By = -C
    y = -C/B

    btw, what's with the (B,0) thing ?

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    posted by Reiny
  2. pretty sure she must have meant B≠0

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    posted by Steve

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