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11 votes
Calculate the discriminant then state the number and type of solutions

-9x^2+6x+3 = 0
D =

2 Answers

4 votes
The right is that 9x^2+6x+3=0

D is equal to 357.66
User Do Thanh Tung
by
3.0k points
4 votes

Lets check

D=b²-4ac

  • D=6²-4(-9)(3)
  • D=36+108
  • D=144

As it's >0 two real and distinct zeros are present

User Thomas Nadin
by
3.5k points