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Write an equation in slope-intercept form of the line through (1,3) and (-3,7)
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Nov 12, 2017
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Write an equation in slope-intercept form of the line through (1,3) and (-3,7)
Mathematics
high-school
Igor Shenderchuk
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Igor Shenderchuk
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Find the slope, then use substitute the slope and one of the given points into slope-intercept form.
Slope is change in y over change in x. (7-3)/(-3-1)=-1
Slope-inttercept form is y = mx+b.
3 = -1(1)+b
b=4
y = -x + 4
Vansimke
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Nov 14, 2017
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Y=-X+4 finding the y intercept, b and slope, mx thus y=mx+b
Bartonstanley
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Nov 16, 2017
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