anonymous
  • anonymous
need help finding the eqution of my answer
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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farmdawgnation
  • farmdawgnation
chirs97, stop reposting this and post your actual question please!
anonymous
  • anonymous
what is the slope intercept of (2,2)and (-1,5) what the answer
farmdawgnation
  • farmdawgnation
So have you seen the slope equation? Because that's what you need. :)

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anonymous
  • anonymous
yes
anonymous
  • anonymous
i just need help to get the answer for my equation that i can up with y=x
anonymous
  • anonymous
that was my answer
anonymous
  • anonymous
y=x
anonymous
  • anonymous
help me
farmdawgnation
  • farmdawgnation
No, you're looking for an actual number for this problem. Ok, so the first place to begin is to figure out the actual slope. The equation for slope- intercept is: \[y=mx+b\] We're looking for the B piece. So, we need to find m (the slope) first. Then we can use the slope-intercept form to find be.
farmdawgnation
  • farmdawgnation
Have you done any work with finding slopes of lines before?
anonymous
  • anonymous
i know that i just need to see if is right
anonymous
  • anonymous
i got y=x
myininaya
  • myininaya
no y=x is not right
anonymous
  • anonymous
that was my answer
anonymous
  • anonymous
why is my answer not right did i do something wrong
myininaya
  • myininaya
look at your slope
anonymous
  • anonymous
ok
myininaya
  • myininaya
recalculate that
myininaya
  • myininaya
you shouldn't get 1 but you should get the opposite of 1 for your slope
anonymous
  • anonymous
didnt know that
myininaya
  • myininaya
\[m=\frac{5-2}{-1-2}=\frac{3}{-3}=-1\]
anonymous
  • anonymous
i got 1 only
anonymous
  • anonymous
how did u get -1
myininaya
  • myininaya
-1-2=-3
myininaya
  • myininaya
3/(-3)=-1
anonymous
  • anonymous
i did that
myininaya
  • myininaya
\[y-y_1=m(x-x_1)\] \[y-y_1=-1(x-x_1)\]
myininaya
  • myininaya
now enter in a point and add y1 on both sides
anonymous
  • anonymous
now i made something wrong
anonymous
  • anonymous
so it is y= -1x
myininaya
  • myininaya
\[(x=2,y=2)\]
myininaya
  • myininaya
enter in this point
myininaya
  • myininaya
\[y-2=-1(x-2)\]
myininaya
  • myininaya
\[y-2=-x+2\] now add 2 on both sides
anonymous
  • anonymous
did that
myininaya
  • myininaya
y=-x+2+2 y=-x+4
anonymous
  • anonymous
that the answer
myininaya
  • myininaya
that is slope intercept form
myininaya
  • myininaya
where -1 is the slope and (0,4) is the y intercept
anonymous
  • anonymous
so it is y= -1x
myininaya
  • myininaya
no y=-x+4 is what i have

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