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anonymous

  • one year ago

What is the equation of a line passing through (-3, 7) and having a slope of -1/5?

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  1. anonymous
    • one year ago
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    are either of these correct y = -5x + 22 y = 5x + 22

  2. hybrik
    • one year ago
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    As I done before, you plug in the points to \[Y=-1/5x + B\]

  3. anonymous
    • one year ago
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    wait what are you supposed to plug in for B

  4. hybrik
    • one year ago
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    which would be \[7=-1/5*-3 + B\]

  5. hybrik
    • one year ago
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    sher, your trying to find B, the y intercept

  6. hybrik
    • one year ago
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    Your solving for B

  7. anonymous
    • one year ago
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    ok

  8. anonymous
    • one year ago
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    how do you solve it

  9. hybrik
    • one year ago
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    As I put, plug in the X value for X and Y value for y in formula as shown above

  10. anonymous
    • one year ago
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    so I've got b=1/5*3+7 what's next?

  11. hybrik
    • one year ago
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    Simplify that

  12. anonymous
    • one year ago
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    b=7.6

  13. anonymous
    • one year ago
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    so is that supposed to be the correct answer

  14. hybrik
    • one year ago
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    No, getting the y intercept, plug in "B" to \[Y = -1/5x + B\]

  15. anonymous
    • one year ago
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    is that one of these

  16. hybrik
    • one year ago
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    No, is there more choices

  17. anonymous
    • one year ago
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    y = -5x + 22 y = 5x + 22

  18. anonymous
    • one year ago
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    help me plz

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