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A line with coordinates (−4,−5) and (5,4) has a slope of:?

0 votes
Please show steps.
asked Feb 28, 2013 in PRE-ALGEBRA by homeworkhelp Mentor

1 Answer

+1 vote

Slope of the line is given by m = (y2 - y1)/(x2-x1)
m = (4-(-5))/(5-(-4))

Simplify
m = (4+5) / (5+4)

Add: 4 + 5 = 9, 5 + 4 = 9
m = 9 / 9

Simplify
m = 1

The slope is m = 1.

answered Feb 28, 2013 by abstain12 Apprentice

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