SLOPE OF AB = by - ay / bx - ax
mAB = 2 - (-3) / 0 - (-3)
mAB = 2 + 3 / 0 + 3
mAB = 5/3
mCD = Dy - Cy / Dx - Cx
mCD = -6 - (-1) / 3 - 6
mCD = -5 / -3
mCD = 5/3
so the first answer is ⁵/₃
mBC = Cy-By / Cx - Bx
mBC = -1 - 2 / 6 - 0
mBC = -3/6
mBC = -½
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