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| On XY plane. If a line goes through Point A (A, 5), Is the slope of the line<0?
a. Line goes through (0, -2)
b. Line goes through (5, A)
a. K=(y1-y2)/(x1-x2)=(-2-5)/(0-A)=7/A. => there is no difinite answer if you don't know the value of A |
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