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

Rewrite the formula to find the radius of a sphere. The volume (V) of a sphere is given by the formula . The sphere’s radius (r) is . A.(3V/pi)1/3 B.4V/3pi)1/
I need help please-4k^2-8k-3=-3-5kA.Find VertexB.Find X-interceptsC.Find Axis of Symmetry
How do I know that a fraction is equivalent??
Valence_________ are important because they are the reason elements bond with each other
The circumference of a circle changes from 20 to 4 after a dilation. What was the scale factor of the dilation? A.1/25 B.1/5 C.5 D.25
HELP PLEASE AND THANK YOU!!! Liam is an eight-year-old boy. His father found him teasing a classmate who wears glasses. What action should Liam’s father take? S
PLZ HELPPPP!!! PLZ INCLUDE WORD EXPLANATIONS SO I GET IT!!! :) a) 2x=3/4 b) m/3= -2/5 c) -2 1/2= -3 1/2
which of the following is an immune system disorder ?
(01.01 LC)Look at the following numbers: −2, −1, 0, 2 Which pair of numbers has a sum of 0?
Which of the following statements best describes the Wilderness Road in the late 1700s