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  • Ms. Ranieri Algebra II Period 3
  • hey George? can you help me write a linear equation?
  • sure! I can help you review for the test
  • Ms. Ranieri Algebra II Period 3
  • how can I write a linear equation when I'm given the point and the slope?
  • to write that you need to use the point slope formula which is y=mx=b
  • Ms. Ranieri Algebra II Period 3
  • you have the slope which is m and the point that it passes through which is (x1-x2)
  • Ms. Ranieri Algebra II Period 3
  • can you please give an example?
  • so the set up would be y-y1=m(x1-x2)
  • sure!
  • Ms. Ranieri Algebra II Period 3
  • the point is (-1,7) and m=-4 and then you plug it in, y-7=-4(x-(-1))
  • you cross multiply and get y-7=-4-4 and then add 7 on both sides and the answer will be y=-4x+3
  • thank you so much! it makes so much more sense now
  • Ms. Ranieri Algebra II Period 3
  • no problem! good luck on the test!
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