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ArbitrLikvidat [17]
3 years ago
13

Find the value of r so the line that passes through each pair of points has the given slope.

Mathematics
1 answer:
ZanzabumX [31]3 years ago
3 0
M = (y2 - y1) / (x2 - x1)
1/4 = (5-3) / (r +4)
1/4 = 2/ (r + 4)
Cross multiply
2*4 = r + 4
8 = r + 4
Subtract 4 from both sides
4 = r

CHECK
(-4,3)(4,5)
m = (5-3)/(4--4) = 2/8 = 1/4
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