anonymous
  • anonymous
Which equation is NOT a quadratic equation? A. y = x2 + 6x - 5 B. y = 2x + 5 C. y = 2x2 + 5 D. y = 4x2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
what do you think a quadratic equation means?
anonymous
  • anonymous
Dawn, I am asking you, in your opinion, what does a quadratic equation mean?
anonymous
  • anonymous
sorry i was away putting my hair up i think it might mean an equation tht can be graphed.. i dont rly kno :P

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anonymous
  • anonymous
a quadratic equation is of the form \[ax ^{2}+bx+c\]
anonymous
  • anonymous
It wouldn't hurt to know what a linear equation is too! y=mx+b
anonymous
  • anonymous
yes, I was about to say what craig just said.
anonymous
  • anonymous
oh yea isnt that standard form uh ik wut THAT is craig.
anonymous
  • anonymous
yes, that is the standard form of expressing a quadratic equation. \[ax ^{2}+bx+c =0\]
anonymous
  • anonymous
it would be D rite.
anonymous
  • anonymous
I didn't put the =0 in my earlier equation. It wouldnt be an equation it it doesnt equate to something :D
anonymous
  • anonymous
how is it D?
anonymous
  • anonymous
Bc did u read my problem?
anonymous
  • anonymous
lol like the answer part
anonymous
  • anonymous
yes, I read your problem.
anonymous
  • anonymous
lol thx tho for helping me but my dad just told me it is D is it?
anonymous
  • anonymous
No, it is not D. A quadratic equation is a polynomial raised to the second degree.
anonymous
  • anonymous
oh haha wow daddy! :P
anonymous
  • anonymous
In mathematics, a quadratic equation is a polynomial equation of the second degree. The general form is ax^2+bx+c=0, where x represents a variable, and a, b, and c, constants, with a ≠ 0. (If a = 0, the equation becomes a linear equation.)
anonymous
  • anonymous
and, btw, ALL equations can be graphed. graph, are, well, graphical representations of equations.
anonymous
  • anonymous
so now, it is easy to see which choice is not a quadratic equation, right?
anonymous
  • anonymous
ok hold on im reading what u said sorry so many ppl to tlk to!
anonymous
  • anonymous
so then would it be B.?
anonymous
  • anonymous
right.
anonymous
  • anonymous
http://en.wikipedia.org/wiki/Quadratic_equation
anonymous
  • anonymous
YAY!! thx haha in math i just black out.... :P im more of a writer lol
anonymous
  • anonymous
thx anyways tho!!
anonymous
  • anonymous
you are welcome. In math you just have to break down your problems into smaller parts and try to understand what the smaller parts mean. If you don't understand the smaller part, break it into smaller parts still. Apply logic and you will get your answer. :)
anonymous
  • anonymous
well tanx u for that piece o wisdom lol (:
anonymous
  • anonymous
heh.

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