anonymous
  • anonymous
Discriminant help?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Find the value of the discriminant for the quadratic equation below. Show all steps needed to write the answer in simplest form, including substituting the values of a, b, and c in the discriminant formula. Then use the value to determine how many real number solutions each equation has. x^2 + 6x - 3 = 0
anonymous
  • anonymous
@Vocaloid
anonymous
  • anonymous
@ganeshie8

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More answers

kropot72
  • kropot72
Do you know the formula for the discriminant?
kropot72
  • kropot72
In the general expression for a quadratic \[\large ax^{2}+bx+c=0\] the discriminant is \[\large b^{2}-4ac\] In the given quadratic, a = 1; b = 6 and c = -3 Now you just need to plug in these values.
anonymous
  • anonymous
6^2 - 4(1)(-3) ?
kropot72
  • kropot72
Correct.
anonymous
  • anonymous
my final answer would be 48?
kropot72
  • kropot72
Correct again.
anonymous
  • anonymous
at the end of the question it says " Then use the value to determine how many real number solutions each equation has."
kropot72
  • kropot72
The value of the discriminant is positive, but is not a perfect square. Therefore there are two real roots which are irrational and unequal.
anonymous
  • anonymous
Thats all i need to do right?
kropot72
  • kropot72
That is right.
anonymous
  • anonymous
Thank u.
kropot72
  • kropot72
You're welcome :)

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