anonymous
  • anonymous
write an equation in slope intercept form of the line that contains (-1,7) and (3,-9)..............................help me!!!!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
Hi!\[\Huge{\color{RED}{\mathbb{Welcome \quad To \quad OpenStudy!}}}\]
anonymous
  • anonymous
Slope-intercept form: y = mx+b, where m is the slope of the line and b is the y-intercept. So use the equation above to find your answer just plug in the values given.
anonymous
  • anonymous
What did you get?

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anonymous
  • anonymous
so will it be y=5/3x+-2
anonymous
  • anonymous
Correct. replace that +- with just a -. y=5/3x-2
anonymous
  • anonymous
thank you so much for your help and time!!!!
anonymous
  • anonymous
No problem.
anonymous
  • anonymous
i just posted another question can you help me
anonymous
  • anonymous
hello
anonymous
  • anonymous
Post the link to your question on here. I can't find it on the list of questions. Is it in math?
anonymous
  • anonymous
That's the link for this same question. If you need to post a new question, click "Close". Then you'll be able to ask another question.
anonymous
  • anonymous
ok i did it it shoul be up there
anonymous
  • anonymous
I'm sorry! Is this your question: write an equation in slope intercept form of the line that contains (-1,7) and (3,-9) ? I didn't notice you had edited your original question!
anonymous
  • anonymous
First, find the slope. (-1,7) and (3,-9) \[m = \frac{ y2 - y1 }{ x2 - x }\]\[m = \frac{ -9 - 7 }{ 3 - (-1) } = \frac{ -9 - 7}{ 3+1 } = \frac{ -16 }{ 4 }= -4\]Slope is -4 -------------------- You have a point (-1, 7) and the slope(-4) so use the Point-Slope formula. y - y1 = m(x - x1) y - 7 = -4(x - (-1)) y - 7 = -4(x + 1) \[Distrbute\]y - 7 = -4x - 4 \[Add \quad 7\]y = -4x + 3

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