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

Factor . X2-x-56=0 PLEASE HELP!!!

What the correct answer now fast

Hellppp Ethanol, an organic compound, has the following structural formula. Hн Н-С-С-0—Н 1 Hн What is the chemical formula of Ethanol Ch6o C2H5O C2H5O C2H6O6

−11b+7=40 b= pls help

if 176 dollars can be exchanged for the 140pounds and 1 pound is exchanged for RS 130 how many dollars can be exchanged for RS 2925

Question 6 of 8 >Calculate the standard enthalpy change for the reaction at 25 °C. Standard enthalpy of formation values can be found in thislist of thermody

Helppppp............

Question 8 (5 points) Which of the following best describes the mechanism by anti depressant medications function? Provide a positive rush of the neurotransmitt

What the correct answer now

HURRY ILL GIVE YOU BRAINLY ;DD