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EmmaH

im really confused and tired can someone help me?Estimate the roots of the equation by graphing. Round to the nearest tenth and write in set form, such as {-1.2,3.4}. x2 - 6= 0

  • one year ago
  • one year ago

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  1. EmmaH
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    how do i solve that?

    • one year ago
  2. ParthKohli
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    add 6 to both sides, take the square root.

    • one year ago
  3. EmmaH
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    x^2=6?

    • one year ago
  4. ParthKohli
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    Yes, now what are the square roots of 6?

    • one year ago
  5. EmmaH
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    2.44948974278

    • one year ago
  6. ParthKohli
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    Now round to the nearest tenth

    • one year ago
  7. EmmaH
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    2.4

    • one year ago
  8. ParthKohli
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    Note that there is a negative sqrt too.

    • one year ago
  9. mathstudent55
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    An equation of the form x^2 = a, a > 0 has two roots: x = sqrt(b) and x = -sqrt(b) Since you have x^2 = 6, just find the square root of 6. Then one root is the positive square root of 6 and the other root is the negative square root of 6.

    • one year ago
  10. EmmaH
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    2.4,-2.4

    • one year ago
  11. ParthKohli
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    that is right!

    • one year ago
  12. EmmaH
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    thats the answer?

    • one year ago
  13. ParthKohli
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    Yes.

    • one year ago
  14. Koikkara
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    well.....is it 3??|dw:1361077277418:dw|

    • one year ago
  15. mathstudent55
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    Write in a set: {-2.4, 2.4}

    • one year ago
  16. EmmaH
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    thank you so much my brain is shutting down bcs im tired

    • one year ago
  17. ParthKohli
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    no problem :-)

    • one year ago
  18. EmmaH
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    :D

    • one year ago
  19. Koikkara
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    well, ....u guys r great...

    • one year ago
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