anonymous
  • anonymous
determine the equation of the line, in point slope form, that runs through the points (3,2) (1,-1)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Use the point slope formula and you'll get your answer.
dan815
  • dan815
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dan815
  • dan815
what is slope of this line

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dan815
  • dan815
slope=change in y divided by change in x
anonymous
  • anonymous
the slope is 1,-1
dan815
  • dan815
|dw:1371480551080:dw|
anonymous
  • anonymous
do you know the equation
dan815
  • dan815
for?
anonymous
  • anonymous
it says determine the equation of the line
dan815
  • dan815
line equation is y=mx+b where m = slope and b = yintercept
dan815
  • dan815
u have your slope, now you need to find b
dan815
  • dan815
|dw:1371480724518:dw|
dan815
  • dan815
i plugged in the point (1,-1); so x= 1 and y = -1 into your equation y=3/2 x + b and got -1=3/2(1)+b -1-3/2 + b -1-(3/2) = b -5/2 = b
dan815
  • dan815
so y=3/2 x - 5/2

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