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anonymous

  • 3 years ago

Write an equation in y intercept form of a line that passes through the points (-2,5) and (4,7)

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  1. anonymous
    • 3 years ago
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    You have to do this first to find the slope\[\frac{ y^2-y^1 }{ x^2-x^1} \]

  2. anonymous
    • 3 years ago
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    The slope is 2/9

  3. anonymous
    • 3 years ago
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    How did u get a 9?

  4. anonymous
    • 3 years ago
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    Oh wait nevermind, its 2/6 :)

  5. anonymous
    • 3 years ago
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    I think I got the answer but I'm not sure. Is it y=2/6x+17/3 ?

  6. anonymous
    • 3 years ago
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    ok thats better! :) Next you have to find the equation y=mx+b First plug in the slope for m Then plug in on of the points for x and y Which will make you be able to find b

  7. anonymous
    • 3 years ago
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    I did not get the answer you have

  8. anonymous
    • 3 years ago
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    I checked it again. Thats what I really got

  9. anonymous
    • 3 years ago
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    I'm confident thats my answer

  10. anonymous
    • 3 years ago
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    Try this\[5=-\frac{ 2 }{ 6}(-2)+b\]

  11. anonymous
    • 3 years ago
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    The slope isnt -2/6 its 2/6

  12. anonymous
    • 3 years ago
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    Opps the negative is suppose to be there

  13. anonymous
    • 3 years ago
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    The negative IS suppose to be there? in the 2/6 ?

  14. anonymous
    • 3 years ago
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    This is what you should use\[5=\frac{ 2 }{ 6 }(-2)+b\]

  15. anonymous
    • 3 years ago
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    Yeah, that's what I did. After, I got 5=2/6(-2)+b and then I added 2/3 to both side and got b=17/3

  16. anonymous
    • 3 years ago
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    Was my answer right?

  17. anonymous
    • 3 years ago
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    b should be\[5\frac{ 2 }{ 3 }\] Oh i see what you did, You kept it as a mixed fraction, but yes thats right

  18. anonymous
    • 3 years ago
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    ah okay thanks:)

  19. anonymous
    • 3 years ago
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    Your Welcome!! :)

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