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anonymous

  • one year ago

Which of the following is a solution of 3x2 = 7x − 3?

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  1. anonymous
    • one year ago
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    will fan and medal

  2. anonymous
    • one year ago
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    3x² = 7x - 3 Make one side equal 0 by subtracting 7x and adding 3 to both sides 3x² - 7x + 3 = 0 Use the quadratic equation to solve for x. For a quadratic equation ax² + bx + c, \[x=\frac{ -b \pm \sqrt{b^2-4ac} }{ 2a }\]

  3. anonymous
    • one year ago
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    Is the answer |dw:1434908700097:dw|

  4. anonymous
    • one year ago
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    positive 7 |dw:1434908770561:dw|

  5. anonymous
    • one year ago
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    Ohhh :)

  6. anonymous
    • one year ago
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    I have one more?

  7. anonymous
    • one year ago
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    ok

  8. anonymous
    • one year ago
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    Use the equation h = −16t2 + 64t + 4.

  9. anonymous
    • one year ago
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    |dw:1434908878426:dw|

  10. anonymous
    • one year ago
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    yes

  11. anonymous
    • one year ago
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    Last one, I promise :)

  12. anonymous
    • one year ago
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    ok

  13. anonymous
    • one year ago
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    Solve 2x2 − 8x = −7.

  14. anonymous
    • one year ago
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    |dw:1434909005888:dw|

  15. anonymous
    • one year ago
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    no. what did you get under the radical?

  16. anonymous
    • one year ago
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    2

  17. anonymous
    • one year ago
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    so would it be|dw:1434909345910:dw|

  18. anonymous
    • one year ago
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    I got 1 ± (√2)/2

  19. anonymous
    • one year ago
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    That's not an answer choice :(

  20. anonymous
    • one year ago
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    what are the choices?

  21. anonymous
    • one year ago
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    |dw:1434909587898:dw|

  22. anonymous
    • one year ago
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    |dw:1434909635812:dw|

  23. anonymous
    • one year ago
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    |dw:1434909659793:dw|

  24. anonymous
    • one year ago
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    |dw:1434909701224:dw|

  25. anonymous
    • one year ago
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    Are you sure?

  26. anonymous
    • one year ago
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    yes

  27. anonymous
    • one year ago
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    Ok. Thank you for all your help:)

  28. anonymous
    • one year ago
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    you're welcome

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