anonymous
  • anonymous
Using the quadratic formula, find a,b, and c: see below>>>>>>>>>>>>>>>>>>>>
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
\[2x^2+5x-68=0\]
anonymous
  • anonymous
a=2 b=5 and c=68?????????
raffle_snaffle
  • raffle_snaffle
Do you remember the qud. formula?

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raffle_snaffle
  • raffle_snaffle
or you could complete the square.
anonymous
  • anonymous
it just wants a,b,and c
raffle_snaffle
  • raffle_snaffle
|dw:1378076644041:dw|
anonymous
  • anonymous
ok lets see here
raffle_snaffle
  • raffle_snaffle
a, b, and c are given to you?
raffle_snaffle
  • raffle_snaffle
nvm I see there is a function.
anonymous
  • anonymous
thats what I mean!!!
anonymous
  • anonymous
it wants a=? b=? c=?
raffle_snaffle
  • raffle_snaffle
like I said you can either use the quad. formula or complete the square.
anonymous
  • anonymous
\[-5x+\sqrt{5x^2-4(2)(-68)}/2(2)\]
anonymous
  • anonymous
how does that look?
raffle_snaffle
  • raffle_snaffle
I am looking at it right now... quad form will only get you two answers. so I think I am using the wrong method.
anonymous
  • anonymous
thank you for your help!! I
raffle_snaffle
  • raffle_snaffle
you know what though
raffle_snaffle
  • raffle_snaffle
I am pretty sure you use the quad form because you said we need to use the quad form
anonymous
  • anonymous
why do we use a formula if a b and c area already given?
raffle_snaffle
  • raffle_snaffle
|dw:1378076994506:dw|
raffle_snaffle
  • raffle_snaffle
Wait for someone else to look at your question, sorry for not being much help to you. Lol
anonymous
  • anonymous
Please help!
anonymous
  • anonymous
isn't a,b, and c already given in the question?
anonymous
  • anonymous
\[ \text { \in a quadratic, } ax ^{2}+bx+c\]
anonymous
  • anonymous
so for your equation, a = 2, b = 5 and c = 68
anonymous
  • anonymous
you don't need the quadratic equation unless you're looking for the roots
anonymous
  • anonymous
-68?
anonymous
  • anonymous
do u agree?
anonymous
  • anonymous
yes, sorry
anonymous
  • anonymous
thank you

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