anonymous
  • anonymous
Help needed Here e_e Complete the equation of the linear function. y = ___x + ____ Fill in the Blanks
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
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Jadeishere
  • Jadeishere
Okay, so do you know the basics of solving linear functions?
anonymous
  • anonymous
Srry to say but no i don't, i kinda wasn't paying attention in that class -_-

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Jadeishere
  • Jadeishere
Oh my.. Lol, well I'l guess I'll teach you. So you know what coordinates are right? Like x-intercept and y-intercept?
anonymous
  • anonymous
Yeah
Jadeishere
  • Jadeishere
The equation you're trying to solve is basically finding those, and the slope of the line. the equation is y=mx+b Which is slope-intercept form
Jadeishere
  • Jadeishere
m= slope b= y intercept x= variable Look at the graph and where the line intersects on the y axis (Positive 4) and then the next (x,y) intercept ( In this case it's (-1, 1))
Jadeishere
  • Jadeishere
Do you get where I'm going with this?
anonymous
  • anonymous
I think i got the answer
P0sitr0n
  • P0sitr0n
basically to find a line in \[\mathbb{R}^2\] you need 2 points (or the amount of coordinates for general spaces). So you need to find two points through which the line passes. You know that it goes from \[(-2,-2)\rightarrow(-1,1)\] Now you gotta solve the equation y=mx+b turns out good since you have two points (two equations) and two unknowns (m and b) To find m, just use \[m=\frac{y_2-y_1}{x_2-x_1}\], where those are the respective coordinates y and x of both points we found earlier. Now that you know m, we only need b For this, use y=mx+b and subsitute there (x,y) of either poitns and the m Lets take point (-2,-2) -> -2=m(-2)+b b=-2+2m thats it, so find m then b
Jadeishere
  • Jadeishere
Want to check?
anonymous
  • anonymous
one sec
anonymous
  • anonymous
Okay....is it 3 and 4?
Jadeishere
  • Jadeishere
Yassssss :D Nice job!
anonymous
  • anonymous
Yes! Thx for the help ^_^
Jadeishere
  • Jadeishere
Anytime!
Jadeishere
  • Jadeishere
By the way, welcome to Openstudy!!
anonymous
  • anonymous
Thank you :)
anonymous
  • anonymous
I got 9/10 :D again thx for the help

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