anonymous
  • anonymous
What is the equation of a line passing through (-3, 7) and having a slope of -1/5? A. y=-5x+22 B. y=5x+22 C. y=1/5x + 32/5 D. y=-1/5x+32/5 E. y=-1/5x+22
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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pooja195
  • pooja195
We use the point slope formula \[\huge~\rm~y-y_1=m(x-x_1)\] where m=slope (x1,y1)
triciaal
  • triciaal
|dw:1437056639003:dw|
pooja195
  • pooja195
^or that

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More answers

anonymous
  • anonymous
ok lol i'll try that
anonymous
  • anonymous
b=51/5?
pooja195
  • pooja195
I dont know how to do it this way....
pooja195
  • pooja195
We use the point slope formula \[\huge~\rm~y-y_1=m(x-x_1)\] where m=slope (x1,y1)
pooja195
  • pooja195
Try my way :P
anonymous
  • anonymous
ok i'll try your way
anonymous
  • anonymous
what do i plug in for the variables?
pooja195
  • pooja195
M=slope so -1/5 x1=-3 y1=7
anonymous
  • anonymous
k
anonymous
  • anonymous
i m sorry i cant find a solution im not good at this kinda stuff
pooja195
  • pooja195
\[\huge~\rm~y-7=-1/5(x-(-3)\]
pooja195
  • pooja195
1st step distribute the -1/5 \(\huge\rm\color{red}{-1/5}{(x+3)}\)
anonymous
  • anonymous
ok then what?
pooja195
  • pooja195
Multiply.... ? -1/5 * x =? -1/5 * 3 = ?
anonymous
  • anonymous
-x/5?
pooja195
  • pooja195
Add 7 to both sides. y−7+7=−1/5x+−3/5+7
pooja195
  • pooja195
Once you do that y=−1/5x+32/5
pooja195
  • pooja195
Do you understand?
anonymous
  • anonymous
yes i do thank you so much for your help
pooja195
  • pooja195
No problem :) let me know if you need more help ^-^ Welcome to openstudy! :D

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