aubriana1
aubriana1
12-04-2018
Mathematics
contestada
Calculate the slope of the line 4x+5y=20
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musiclover10045
musiclover10045
12-04-2018
4x+5y =20
subtract 4x from both sides:
5y = 20 - 4x
divide both sides by 5
y = 4 - 4x/5
rewrite in slope intercept form:
y = -4/5x +4
the slope is
-4/5
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