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bmxrider

  • 3 years ago

Only one question I cannot figue out. can someone help please. What are the solutions? 1/2x^2+ 2x + 3 =0

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  1. freakeo98
    • 3 years ago
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    combine like terms

  2. freakeo98
    • 3 years ago
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    subtract 3 from both sides

  3. bmxrider
    • 3 years ago
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    what like terms, sorry I am having a lot of problems with this.

  4. freakeo98
    • 3 years ago
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    lol dude its ok, equations can be confusing to some

  5. freakeo98
    • 3 years ago
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    \[\frac{ 1 }{ 2 }x^2+2x+3=0 thats what ur starting out with\]

  6. freakeo98
    • 3 years ago
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    thats what ur starting with *

  7. bmxrider
    • 3 years ago
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    right. Than you want to get the three to the other side right.

  8. freakeo98
    • 3 years ago
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    u can do that first. the thing with equations is that there is no direct way of solving it. there r many ways. just make sure what ever u are doing, make sure it mathimatically makes sense

  9. bmxrider
    • 3 years ago
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    1/2^2+2x=-3

  10. freakeo98
    • 3 years ago
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    good, now simplify 1/2^x+2x

  11. bmxrider
    • 3 years ago
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    here is my problem and were I am stuck. Should I try and get rid of the 1/2?

  12. freakeo98
    • 3 years ago
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    do u have a calculator?

  13. bmxrider
    • 3 years ago
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    yes

  14. freakeo98
    • 3 years ago
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    ok good

  15. freakeo98
    • 3 years ago
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    square the half

  16. bmxrider
    • 3 years ago
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    lost me again. Sorry.

  17. freakeo98
    • 3 years ago
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    lol its ok. do u have a graphing calculator?

  18. bmxrider
    • 3 years ago
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    no

  19. freakeo98
    • 3 years ago
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    scientific?

  20. bmxrider
    • 3 years ago
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    yes

  21. freakeo98
    • 3 years ago
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    ok. put 1 divided by 2 and square it

  22. freakeo98
    • 3 years ago
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    it should be 1/2^2

  23. freakeo98
    • 3 years ago
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    there should be a calculator online

  24. bmxrider
    • 3 years ago
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    0.25

  25. freakeo98
    • 3 years ago
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    which is 1/4

  26. bmxrider
    • 3 years ago
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    I really need help on this to finish a test! last question.

  27. CliffSedge
    • 3 years ago
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    @freak098 , you clearly do not understand the question - none of what you said is valid here.

  28. CliffSedge
    • 3 years ago
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    This is a quadratic equation, and doesn't look factorable at first glance. Quadratic formula is your best option.

  29. bmxrider
    • 3 years ago
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    I think you use the quadratic formula. Am I correct?

  30. bmxrider
    • 3 years ago
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    yes

  31. CliffSedge
    • 3 years ago
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    Quadratic formula always works, so is typically the weapon of choice in this situation. A good way to start though, is to multiply everything by 2 first to clear the fraction.

  32. bmxrider
    • 3 years ago
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    2(1/2x^2+2x+3=0(2) x^2+4x+6=0 correct?

  33. CliffSedge
    • 3 years ago
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    Yeah, then use the QF on that.

  34. bmxrider
    • 3 years ago
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    ok. I think I got it now. It was the 1/2 I was confused on. Thank you very much.

  35. CliffSedge
    • 3 years ago
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    No problem. When I tried it, I was getting non-real answers, so don't be surprised about that.

  36. bmxrider
    • 3 years ago
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    ok. I will try it

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