Goose505 Goose505
  • 04-05-2020
  • Mathematics
contestada

Discriminant and the number of real roots for this equation 9x2+12x+4=0

Respuesta :

aimeej
aimeej aimeej
  • 04-05-2020
The discriminant is b^2-4ac
In this equation 9=a, 12=b, 4=c
Plugging into the formula
12^2-4(9)(4)=
144-324 =
-180 is the discriminant
Since the discriminant is a negative number there are no real roots
Answer Link

Otras preguntas

with the current weather conditions a sailboat can sail 5 1/2 miles in an hour.How far can a sailboat sail in 2/3 hours​
Can someone please help me with questions 5 and 6 I promise to mark brainlest!!! Thank you!
5 projects require 53 paving stones about how many stones are needed for all of the projects​
if I have an assignment that is giving 48 points and I only get 29 what percentage is that
What Is Another Name For Lane D In The Diagram? C.) A Positive Control (Apex) (^∇^)
Hannah measured the length, width, and height of her microwave in order to determine if it would fit in the space above her stove. Her measurements are shown be
does anybody know the answers to my spanish homework?
What chivalric value does the green knight display in the excerpt?
the line passing through point (2, 2) and perpendicular to the line whose equation is y = x
Please Answer. I need help as fast as possible