ciarajaracz ciarajaracz
  • 02-04-2020
  • Mathematics
contestada

What is the discriminant of the quadratic equation – 4x2 + 5x – 9 = 0?

Respuesta :

kchubby123
kchubby123 kchubby123
  • 02-04-2020

Answer:

-119

Step-by-step explanation:

a=-4 b=5 c=-9

D=b^2-4ac

=5^2-4(-4)(-9)

=25-144

=-119

Answer Link

Otras preguntas

can you help me with this problem 4/10- 28/100
You know that ice floats in water. This is because A. ice is less dense than water. B. ice is making the water colder. C. water is making the ice warmer. D. ice
Which is the formula for the functional group in an amine?
A cheetah can cover 50 yards in 5⁄2 seconds. How long will it take a cheetah at the same speed run 80 yards
When Melissa was born, her parents put $8,000 into a college fund account that earned 9% simple interest. Find the total amount in the account after 18 years.
compare and contrast the structure and function of these two tissue types: epithelial tissue and muscle tissue
Justin is reading a book that has 276 pages. He already read some pages of it last week. He plans to read 20 pages tommorow. By then, he will be 2/3 of way thro
I mainly need help on 2 please thanks for the first one though
what is an Ab pattern
Which one of the following choices best describes a diet-planning tool most often used for diabetic or weight-control diets? A. Exchange Lists B. MyPyramid C. E