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

True or False The segments shown below could form a triangle. A_________C is 6 C_____B is 5 B_____________A is 8
Which change results in the formation of different substances? (1) burning of propane (2) melting of NaCl (s) (3) deposition of CO2(g) (4) solidification of wat
Which change results in the formation of different substances? (1) burning of propane (2) melting of NaCl (s) (3) deposition of CO2(g) (4) solidification of wat
There were 13 original states. Name three.
Given the balanced equation representing reaction: N2 + energy ==> N + N Which statement describes this reaction? ( I) Bonds are broken, and the reaction is
True or False? The segments below could form a triangle. A________C is 9 C_____B is 4 B_______________A is 15
Which notations represent different isotopes of the element sodium? (1) 32S and 34S (3) Na+ and Nao (2) S2- and S6+ (4) 22Na and 23Na
What are the two parts of the U.S. Congress?
Why do some states have more Representatives than other states?
A 1-gram sample or a compound is added to 100 grams of H2O(l) and the resulting mixture is then thoroughly stirred. Some of the compound is then separated from