maddyburgess1 maddyburgess1
  • 23-11-2016
  • Mathematics
contestada

write an equation in slope-intercept form of the line through (1,3) and (-3,7)

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DudeMagic
DudeMagic DudeMagic
  • 23-11-2016
Y=-X+4 finding the y intercept, b and slope, mx thus y=mx+b
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nobrains
nobrains nobrains
  • 23-11-2016
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
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