Since the line is raising the slope is positive.
\Next, find the slope.
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Substitute – 4 for y2, 0 for y1, – 3.5 for x2, and 2.5 for x1 in slope formula. \ \
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(Subtract:
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(Subtract:
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(Cancel common signs) \ \
(Simplify) \ \
(Cancel common terms)
Slope is positive and slope is .