anonymous
  • anonymous
Only one question I cannot figue out. can someone help please. What are the solutions? 1/2x^2+ 2x + 3 =0
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
combine like terms
anonymous
  • anonymous
subtract 3 from both sides
anonymous
  • anonymous
what like terms, sorry I am having a lot of problems with this.

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anonymous
  • anonymous
lol dude its ok, equations can be confusing to some
anonymous
  • anonymous
\[\frac{ 1 }{ 2 }x^2+2x+3=0 thats what ur starting out with\]
anonymous
  • anonymous
thats what ur starting with *
anonymous
  • anonymous
right. Than you want to get the three to the other side right.
anonymous
  • anonymous
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
anonymous
  • anonymous
1/2^2+2x=-3
anonymous
  • anonymous
good, now simplify 1/2^x+2x
anonymous
  • anonymous
here is my problem and were I am stuck. Should I try and get rid of the 1/2?
anonymous
  • anonymous
do u have a calculator?
anonymous
  • anonymous
yes
anonymous
  • anonymous
ok good
anonymous
  • anonymous
square the half
anonymous
  • anonymous
lost me again. Sorry.
anonymous
  • anonymous
lol its ok. do u have a graphing calculator?
anonymous
  • anonymous
no
anonymous
  • anonymous
scientific?
anonymous
  • anonymous
yes
anonymous
  • anonymous
ok. put 1 divided by 2 and square it
anonymous
  • anonymous
it should be 1/2^2
anonymous
  • anonymous
there should be a calculator online
anonymous
  • anonymous
0.25
anonymous
  • anonymous
which is 1/4
anonymous
  • anonymous
I really need help on this to finish a test! last question.
anonymous
  • anonymous
@freak098 , you clearly do not understand the question - none of what you said is valid here.
anonymous
  • anonymous
This is a quadratic equation, and doesn't look factorable at first glance. Quadratic formula is your best option.
anonymous
  • anonymous
I think you use the quadratic formula. Am I correct?
anonymous
  • anonymous
yes
anonymous
  • anonymous
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.
anonymous
  • anonymous
2(1/2x^2+2x+3=0(2) x^2+4x+6=0 correct?
anonymous
  • anonymous
Yeah, then use the QF on that.
anonymous
  • anonymous
ok. I think I got it now. It was the 1/2 I was confused on. Thank you very much.
anonymous
  • anonymous
No problem. When I tried it, I was getting non-real answers, so don't be surprised about that.
anonymous
  • anonymous
ok. I will try it

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