Zay+C

@ZAY CARTER WIKI SKILLS CHECK

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if the point is in quadrant 2, then the point is green. if the point is green, then the point is in quadrant 2. if the point is not in quadrant 2, then the point is not green. if the point is not green, than the point is not in quadrant 2.

if the point is in quadrant 4, then the point is black. if the point is black, then the point is in quadrant 4. if the point is not in quadrant 4, then the point is not black. if the point is not black, than the point is not in quadrant 4. They are both knaves because there is no possible way the one of them is telling the truth.

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math \\ AB: y = \frac{-3}{2}x \left \right + 4

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\\ CD: y = \frac{1}{2}x \left \right + 2

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\\ EF: y = -1

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\\ GH: x = 4

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\\ (2, 6) and (-1, 2) (\frac{-1+2}{2}, \frac{2+6}{2}) = (.5,4)

math