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Hesher

  • 2 years ago

A line through points (-5, 2) and (2,Y) has a slope of 3. Find Y

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  1. Hesher
    • 2 years ago
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    Anyone at all?

  2. zordoloom
    • 2 years ago
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    y would be 23

  3. zordoloom
    • 2 years ago
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    (-5,2) and (2,23)

  4. Hesher
    • 2 years ago
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    Thank you, but do you mind showing me the steps?

  5. zordoloom
    • 2 years ago
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    Do you know how to find the slope between 2 points?

  6. Hesher
    • 2 years ago
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    Yes

  7. zordoloom
    • 2 years ago
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    Set it up, including the missing variable, and set it equal to 3. Then solve.

  8. Hesher
    • 2 years ago
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    so it would be 3 - 2 over 2 - (-5) ?

  9. zordoloom
    • 2 years ago
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    y-2 over 2+5

  10. Hesher
    • 2 years ago
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    Ahh

  11. zordoloom
    • 2 years ago
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    then set it equal to 3 and solve..

  12. zordoloom
    • 2 years ago
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    (y-2)/7=3 multiply both sides by 7, then add 2

  13. Hesher
    • 2 years ago
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    So I replace Y with 3, then I did that whole part. I got 1/7

  14. zordoloom
    • 2 years ago
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    |dw:1352681768304:dw|

  15. zordoloom
    • 2 years ago
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    Multiply both sides by 7

  16. zordoloom
    • 2 years ago
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    |dw:1352681799107:dw|

  17. zordoloom
    • 2 years ago
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    Add the 2.

  18. zordoloom
    • 2 years ago
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    y=23

  19. Hesher
    • 2 years ago
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    Thank you

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spraguer (Moderator)
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