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

I NEED THIS IN AN HOUR! PLEASE PLEASE PLEASE HELP Tim and Jim measured the length of the same piece of board. Using a certain ruler, Tim obtained a length of 0.
Find the coordinates of the midpoint of a segment with the given endpoints. Show your work. 7. (-3, 5), (7, -1) Answer: Show your work below. 8. (4, -3), (-6, 6
Question 6 Choose all of the physical changes: (There are FOUR)
2 Ashley missed school the day the teacher discussed the hierarchical relationships. Explain to her your reasoning for organizing this way​
Refers to the position of a place or entity based on its location with respect to other locations
m DEF = 144° and m GEF = 69°. Find m DEG
Computers used to produce magazine articles is it land or capital
Do you think Donald Trump..... Please answer the question from the picture
This year, Zachary has been babysitting his young cousins after school for $70 a month. His uncle also gave him an extra bonus of $100 for his excellent work. S
to stich a uniform,1m 73cm cloth is needed.out of 153m cloth, how many uniforms can be stitched and how much cloth will remain?