anonymous
  • anonymous
quadratic formula x^2-10+22=-2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
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anonymous
  • anonymous
where did i go wrong?
Vocaloid
  • Vocaloid
you have to add 2 to both sides to make the right side = 0 x^2-10+22=-2 x^2-10+22+2=-2+2 x^2-10+24=0 THEN you can use the formula like you did :)

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Vocaloid
  • Vocaloid
a = 1, b = -10, c = 24, and you can do the rest from there, correct?
anonymous
  • anonymous
oh so for all the quadratic equations u even it out?
Vocaloid
  • Vocaloid
yup, you've got to make sure that ax^2 + bx + c = 0 first
anonymous
  • anonymous
but for this one its already 0 so where did i go wrong?
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Vocaloid
  • Vocaloid
look at the b^2 part you found that b = 8, but you forgot to square it b^2 = 64
anonymous
  • anonymous
so would it be
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anonymous
  • anonymous
cuz u cant have a - square rroot
Vocaloid
  • Vocaloid
hold on a sec, let me draw it out
Vocaloid
  • Vocaloid
|dw:1435107187000:dw|
anonymous
  • anonymous
ok wait howd u get 64
Vocaloid
  • Vocaloid
|dw:1435107380073:dw|
Vocaloid
  • Vocaloid
b=8, b^2 = 64
anonymous
  • anonymous
so b^2 =64 and thats how u get it and add it to the equation
Vocaloid
  • Vocaloid
yup!
anonymous
  • anonymous
ok im going to do it again can u then check it ?
Vocaloid
  • Vocaloid
sure
anonymous
  • anonymous
ok wait sorry i got sided tracked
Vocaloid
  • Vocaloid
going to sleep soon, hopefully someone else can help? maybe try tagging someone

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