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anonymous

  • 5 years ago

hey guys need a little help!!! (1/4,-1/2) and (3/4,5) this is asking me to find an equation of the line containing the given pair of points. please help!!

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  1. amistre64
    • 5 years ago
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    subtract one form the other; slope it; and use the slope point form of an equation to define it

  2. anonymous
    • 5 years ago
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    first find the slope:\[m=\frac{y_2-y_1}{x_2-x_1}\] \[=\frac{-\frac{1}{2}-5}{\frac{3}{4}-\frac{1}{4}}\]

  3. anonymous
    • 5 years ago
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    hello amistre!

  4. amistre64
    • 5 years ago
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    (3/4 ,5) -(1/4,-1/2) ------------ 1/2, 11/2 ; slope = y/x = 11

  5. amistre64
    • 5 years ago
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    hi sat :)

  6. amistre64
    • 5 years ago
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    y = 11(x-1/4)-1/2

  7. anonymous
    • 5 years ago
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    \[=\frac{-\frac{11}{2}}{\frac{1}{2}}=-11\]

  8. anonymous
    • 5 years ago
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    i got -11 yes?

  9. amistre64
    • 5 years ago
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    y = 11x -11/4-1/2

  10. amistre64
    • 5 years ago
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    nope, both x and y are the same sign

  11. anonymous
    • 5 years ago
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    oops no sorry amistre has it

  12. anonymous
    • 5 years ago
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    you are right it is 11, my fault

  13. amistre64
    • 5 years ago
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    y = 11x -13/4 i thnk

  14. amistre64
    • 5 years ago
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    -44x +4y = -13 44x -4y = 13 maybe?

  15. amistre64
    • 5 years ago
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    the 'equation of a line' can take many forms; general, standard, slope int, slope point, etc..

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