MaeganR
  • MaeganR
solve by graphing x + y = 3
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Mathhelp346
  • Mathhelp346
Turn it into slop-intercept form, which is y=mx+b. m is the slope b is the y-intercept
Mathhelp346
  • Mathhelp346
*slope
MaeganR
  • MaeganR
So Y= 3x + b?

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Mathhelp346
  • Mathhelp346
No
anonymous
  • anonymous
x + y = 3 we know that the general form of slope is y=mx +c where m is the slope and c is the intercept and so , i am trying to make the given equation to look like the general form => y=(-1)x+3 find the points:|dw:1357702924977:dw|
MaeganR
  • MaeganR
My teacher is not doing that way, and I am so confused
Mathhelp346
  • Mathhelp346
Ok, so your equation is x+y=3 In order to turn this into slope-intercept form, you will subtract the x, leaving you with y=-x+3. Similar to y=mx+b, right? Then, 3=b(y-intercept) and the slope is -1. Slope is: \[\frac{ rise }{ run }\]
MaeganR
  • MaeganR
I am sorry there are two parts to the problem, the first is x + y=3 and 2x + 5y = 12
MaeganR
  • MaeganR
I am new at this and I totally apologize
Mathhelp346
  • Mathhelp346
Then, you just do the same. Except you would have to divide both sides by 5. |dw:1357703298547:dw|
MaeganR
  • MaeganR
Ok
Mathhelp346
  • Mathhelp346
|dw:1357703426599:dw|
MaeganR
  • MaeganR
Ok I knew you had to do something to both sides, but I was not sure what to do once I got a fraction
MaeganR
  • MaeganR
Thank you
Mathhelp346
  • Mathhelp346
You're welcome :)

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