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anonymous

  • one year ago

What is the equation of the line that passes through the points (−2, 3) and (2, 7)? x − y = −1 x − y = −2 x − y = − 5 x − y = − 6

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  1. anonymous
    • one year ago
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    @imqwerty

  2. imqwerty
    • one year ago
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    put the points in the equations given in options the one which satisfies both is the answer :)

  3. anonymous
    • one year ago
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    idk how to

  4. imqwerty
    • one year ago
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    or u can do it like this- equation of a line passing through (x1,y1) and (x2,y2) is given by- \[\frac{ y-y_{1} }{ y_{2}-y_{1}}=\frac{ x-x_{1} }{ x_{2}-x_{1} }\]

  5. anonymous
    • one year ago
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    ok

  6. imqwerty
    • one year ago
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    :)

  7. anonymous
    • one year ago
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    y2-y1/x2-x1 to find the slope, once found use y-y1=m(x-x1)

  8. anonymous
    • one year ago
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    im stuck

  9. anonymous
    • one year ago
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    are you stuck at the beginning?

  10. anonymous
    • one year ago
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    yea

  11. imqwerty
    • one year ago
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    ok so we got the equation lets put (x1,y1) and (x2,y2) \[\frac{ y-3 }{ 7-3 }=\frac{ x- (-2)}{ 2-(-2) }=>\frac{ y-3 }{ 4 }=\frac{ x+2 }{ 4 }\]\[y-3=x+2 =>x-y=-5\]

  12. anonymous
    • one year ago
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    ok i see it now , i just needed to see how to put it in form

  13. anonymous
    • one year ago
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    so its c?

  14. imqwerty
    • one year ago
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    yes (:

  15. anonymous
    • one year ago
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    ty

  16. imqwerty
    • one year ago
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    np :D

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