anonymous
  • anonymous
find the slope and y-intercept of each line: 3x-4y=12
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
have you seen the slop intercept form : y=mx+b?
anonymous
  • anonymous
yes but how do i get i to y=mx=b form
anonymous
  • anonymous
alright so first you want y by itself correct? what can you do to get y by itself

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anonymous
  • anonymous
and when i say y i mean -4y
anonymous
  • anonymous
subtract the 3x
anonymous
  • anonymous
yep now what do you get?
anonymous
  • anonymous
you have -4y=12-3x -3 would be your slope and 12 is your y intercept?
anonymous
  • anonymous
not exactly , the equation says y=mx+b, not -4y=mx+b. so you need one more step to get y's constant to be one
anonymous
  • anonymous
divide by -4 ?
anonymous
  • anonymous
yep =]
anonymous
  • anonymous
so -3/4 and 3
anonymous
  • anonymous
now you should have it in y=mx+b where m = slope and b is your y intercept
anonymous
  • anonymous
12/-4=-3 -3/-4 = 3/4
anonymous
  • anonymous
thanks
anonymous
  • anonymous
just a sign error but yes you have the right idea

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