277,724 views
13 votes
13 votes
Calculate the discriminant then state the number and type of solutions

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

User Tengomucho
by
3.2k points

2 Answers

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

D is equal to 357.66
User Bryan Larsen
by
2.9k points
20 votes
20 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 Beniamin
by
2.8k points