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Write an equation of the line passing through the points (-7,-6) with the slope m=4
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Write an equation of the line passing through the points (-7,-6) with the slope m=4
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Jan 16, 2018
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Write an equation of the line passing through the points (-7,-6) with the slope m=4
Mathematics
high-school
WiseOlMan
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Straight-Line Equations: y=mx+b
b is y-intercept
m is for slope
y=4x+b
-6=(4)(-7)+b
b=22
y=4x+22
Janos Pasztor
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Jan 19, 2018
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Janos Pasztor
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y=mx+b, where m is the slope and b is the y-intercept (the value of y when x=0)
We are told the slope is 4 so
y=4x+b, now using point (-7,-6) we can solve for the y-intercept...
-6=4(-7)+b
-6=-28+b
22=b so our line is:
y=4x+22
Vladimir Korshunov
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Jan 23, 2018
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Vladimir Korshunov
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