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

HURRY IM TIMED. Kisha is trying to determine if a cell is a plant or animal cell. She observes the cell under the microscope and describes some of the structure
How can you tell the direction a river flows
Final Practice: Read each statement. If the statement is true, write “T”. If the statement is false, write “F”.
Which one is not a symbol? A. Object, event, person, or animal B. Icon that stands for a bigger meaning C. metaphor or simile D. Has extraordinary meaning and s
What is the point of concurrency
SOLVE PLEASE ASAP I NEED HELP
2^8 in standard form
Could someone help me with this? Please provide an explanation! Thank you!
-c>-19 solve the inequality
What is the Active Voice of : How was the heavy table pushed away by you?