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anonymous

  • one year ago

Choose the equation that represents the graph http://gyazo.com/b7e8866d44be498bdd25e8aaeae856e9 a. y = -2x - 6 b. y = two thirdsx + 6 c. y = -two thirdsx + 6 d. y = 2x + 6

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  1. anonymous
    • one year ago
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    @Luigi0210

  2. AbdullahM
    • one year ago
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    A good graphing calculator: https://www.desmos.com/calculator

  3. AbdullahM
    • one year ago
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    Is the slope postive or negative?

  4. anonymous
    • one year ago
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    thank you very much mn!

  5. anonymous
    • one year ago
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    negative ?

  6. AbdullahM
    • one year ago
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    |dw:1434821585095:dw|

  7. AbdullahM
    • one year ago
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    Correct :)

  8. AbdullahM
    • one year ago
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    That means we can elimate two answer choices, which 2 can we eliminate?

  9. Luigi0210
    • one year ago
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    Also, you could look for the slope using the points (0, 6) and (9, 0)

  10. anonymous
    • one year ago
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    how so? that confuses me luigi

  11. anonymous
    • one year ago
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    b and d

  12. Luigi0210
    • one year ago
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    Since it's already in slope intercept form, just look for the m.

  13. anonymous
    • one year ago
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    so its either a or c

  14. AbdullahM
    • one year ago
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    \(\sf\Large Slope=\frac{y_2-y_1}{x_2-x_1}\)

  15. anonymous
    • one year ago
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    oh so just look at the points

  16. anonymous
    • one year ago
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    i get it now

  17. anonymous
    • one year ago
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    thank you guys for your help!

  18. AbdullahM
    • one year ago
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    Plug in x=0 into a or c and see if it gives you the correct y-intercept that is shown in the graph :)

  19. anonymous
    • one year ago
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    c?

  20. AbdullahM
    • one year ago
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    correct \(\ddot\smile\)

  21. anonymous
    • one year ago
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    thank you!

  22. AbdullahM
    • one year ago
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    np

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