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dddan

  • 3 years ago

please help; what is the equation of a line with the given points are (4,-1), (-2,-6)

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  1. amorfide
    • 3 years ago
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    to get the equation of a line you do y-y1=m(x-x1) y1 is a y coordinate x1 is an x coordinate

  2. amorfide
    • 3 years ago
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    to get the gradient |dw:1350247890237:dw|

  3. amorfide
    • 3 years ago
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    y2 and y1 being the y coordinates x2 and x1 being the x coordinates

  4. jayz657
    • 3 years ago
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    find slope first (y1-y2) / (x1-x2) so it is (-6 - (-1)) / (-2 - 4) = 5/6 y = mx + b y= 5/6x + b -1 = 5/6(4) + b solvve for b b = -26/6 eq: y= 5/6x -26/6

  5. dddan
    • 3 years ago
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    alright i did that and got y=-7/6 x + 11/3

  6. dddan
    • 3 years ago
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    to jayz657, i think its y2-y1/x2-x1..... to find slope right?

  7. jayz657
    • 3 years ago
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    doesnt matter you get slope either way y1 and y2 is to show these are 2 different numbers at 2 different points

  8. dddan
    • 3 years ago
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    aight

  9. dddan
    • 3 years ago
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    shount it be -5/6

  10. jayz657
    • 3 years ago
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    its positive for me check your signs

  11. dddan
    • 3 years ago
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    |dw:1350248542689:dw|

  12. jayz657
    • 3 years ago
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    -5 / -6 is 5/6

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