anonymous
  • anonymous
is dere any easy way i can do standard form to vertex form?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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amistre64
  • amistre64
probably; can you give an example?
anonymous
  • anonymous
f(x)= ax^2+bx+c to f(x)=a(x-h)^2+k
anonymous
  • anonymous
by completing the square

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amistre64
  • amistre64
yeah... you can find the "x" value for the vertex by taking the -(middle#)/2(first#) that gives you your "h" value plug that in for equation to ge the "y" value for it....which will be the "k" does that make sense?
amistre64
  • amistre64
x^2 -12x + 45.... vertex = 12/2 = 6 = h (6)^2 -12(6) +45 = k
amistre64
  • amistre64
y = (x+6)^2 + ...the # you find for k
amistre64
  • amistre64
x-6...... that is
anonymous
  • anonymous
f(x)=-4x^2-7x-2 ?? can u show me this one?
amistre64
  • amistre64
i gave you a bad "equation"...lol...but the steps are good
amistre64
  • amistre64
h = --7/2(-4) = 7/-8 = -7/8
amistre64
  • amistre64
k = -4(-7/8)^2 -7(-7/8) -2
amistre64
  • amistre64
k = 460/64 reduce as needed if I did it right in me head ;)
amistre64
  • amistre64
thats the "shortest" way I know...
anonymous
  • anonymous
im still kinda confuse but thanks :)

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