graphing slope-intercept

graphing slope-intercept

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  • hey Steve have you learned about graphing slope intercept in school yet.
  • yeh. we did this equation yesterday,it was y=2x+3 
  • do you think it was easy because i didnt
  • yeh. all you have to do is look at the number on the right of the equation and if the equation is subtracting you go down that many times and if you are adding you go up that many times.
  • what about step 2
  • step 2 is you look at the number next to the x and go that many times and over 1.
  • can you tell me some examples
  • sure.let me think of one, oh so if y=2x+5 is your equation then the +5 is how how many you go up to get to your starting point and then you go up 2 and 1 to the right till you cant any more. then you do the same thing but you go down 2 and left 1.
  • can you give me 1 more example
  • sure,let me think of another one, y=3/2x+1 you have to go up 1 because in the equation you have +1.then you have to go up 3 and to the right 2 until you cant anymore.then you have to do the same thing in the opposite you go down 3 and to the left 2 until you cant anymore. 
  • thank you for your help
  • no problem
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