ciarajaracz ciarajaracz

02-04-2020
Mathematics

contestada

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

Respuesta :

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

If Susan is a local police chief who just learned about the Kansas City Preventive Patrol Experiment in her law enforcement leadership class, what would be an a

PLEASE HELP Jane can make a handcrafted dream catcher in 6 days. Zena makes the same dream catcher in 4 days. If they work together making dream catchers, how

Some versions of the play have “sullied" instead of “solid.” Howdoes that change alter the focus of Hamlet's disgust?

i need help on this. can someone help me

reourting a river would affect what

what contributed to the “machine” type of city government

2 3/4 −(−1 1/2 )+(− 5/6 )−(− 3/8 )−(+4 2/3 )

Which of these is the correct word equation for the reaction, 2C4H10 (g) + 1302 (g) —> 8CO2 (g) + 10H2O (g)? A) Water vapor and carbon dioxide gas react to f

47. A dialect is a nonstandard, sometimes regional, variation of a language, such as American English. It may exhibit differences in pronunciation and vocabular

find the equation of the line using the slope formula. Write the final equation using the slope-intercept form. the x- intercept is 1, and (x,y) = ( -2, 12) i