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What is the slope of the line that passes through the points (5, 9) and (4, 9)?
1
0
5
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ANSWER:
Substitute the points (5,9)(5, 9)(5,9) and (4,9)(4, 9)(4,9):
slope=9−94−5=0−1=0\text{slope} = \frac{9 - 9}{4 - 5} = \frac{0}{-1} = 0
