anonymous
  • anonymous
Write an equation in y intercept form of a line that passes through the points (-2,5) and (4,7)
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  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
You have to do this first to find the slope\[\frac{ y^2-y^1 }{ x^2-x^1} \]
anonymous
  • anonymous
The slope is 2/9
anonymous
  • anonymous
How did u get a 9?

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anonymous
  • anonymous
Oh wait nevermind, its 2/6 :)
anonymous
  • anonymous
I think I got the answer but I'm not sure. Is it y=2/6x+17/3 ?
anonymous
  • anonymous
ok thats better! :) Next you have to find the equation y=mx+b First plug in the slope for m Then plug in on of the points for x and y Which will make you be able to find b
anonymous
  • anonymous
I did not get the answer you have
anonymous
  • anonymous
I checked it again. Thats what I really got
anonymous
  • anonymous
I'm confident thats my answer
anonymous
  • anonymous
Try this\[5=-\frac{ 2 }{ 6}(-2)+b\]
anonymous
  • anonymous
The slope isnt -2/6 its 2/6
anonymous
  • anonymous
Opps the negative is suppose to be there
anonymous
  • anonymous
The negative IS suppose to be there? in the 2/6 ?
anonymous
  • anonymous
This is what you should use\[5=\frac{ 2 }{ 6 }(-2)+b\]
anonymous
  • anonymous
Yeah, that's what I did. After, I got 5=2/6(-2)+b and then I added 2/3 to both side and got b=17/3
anonymous
  • anonymous
Was my answer right?
anonymous
  • anonymous
b should be\[5\frac{ 2 }{ 3 }\] Oh i see what you did, You kept it as a mixed fraction, but yes thats right
anonymous
  • anonymous
ah okay thanks:)
anonymous
  • anonymous
Your Welcome!! :)

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