anonymous
  • anonymous
Need help Given the following constants for a standard form quadratic equation, determine the nature of its roots. a=3, b=3,c=2 A. rational B. irrational C. no real solutions D. There is not enough information provided.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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MrNood
  • MrNood
do you know what the 'discriminant' of a quadratic equation is?
anonymous
  • anonymous
yes
MrNood
  • MrNood
so work out the value of the discriminant from the values of a,b and c as given

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anonymous
  • anonymous
That the part i need help with
MrNood
  • MrNood
you just said oyu know what it is you know a,b and c what is the formula for the discriminant??
MrNood
  • MrNood
the formula is \[b ^{2} - (4 \times a \times c)\] a=3 b=3 c=2 work out the value from the equation above
anonymous
  • anonymous
-4ac+b^2
MrNood
  • MrNood
that is the correct formula now work out the value using a=3 b=3 c=2
anonymous
  • anonymous
rational
MrNood
  • MrNood
so - you have asked for help - and I have given you a number of guides to the answer. If you ignore the guide then you will just guess the answer, as you have done. Instead of guessing try this: -4ac+b^2 now work out the value using a=3 b=3 c=2

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