smarties143 smarties143
  • 07-05-2017
  • Mathematics
contestada

Calculate the discriminant and use it to determine how many real-number roots the equation has.

3x2 – 6x + 1 = 0

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ilikebigbuttsan ilikebigbuttsan
  • 07-05-2017
Discriminant=b²-4ac, where a=3, b=-6 and c=1.
The value of the discriminant is therefore 24.
Since 24>0, this means that the equation has 2 real roots.
This equation cannot be factorised so you must use the quadratic formula to find the roots.
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