hannahwood75 hannahwood75

01-12-2019
Mathematics

contestada

What is the discriminant of the quadratic equation 0 = -х2 + 4х – 2?

Respuesta :

MathPhys MathPhys

01-12-2019

Answer:

8

Step-by-step explanation:

The discriminant of ax² + bx + c = 0 is b² − 4ac.

Here, a = -1, b = 4, and c = -2.

b² − 4ac

(4)² − 4(-1)(-2)

16 − 8

8

Answer Link

kaykay3474 kaykay3474

01-12-2019

It’s 8. Your welcome

Answer Link

Otras preguntas

The orbit of a certain a satellite has a semimajor axis of 1.7 x 107 m and an eccentricity of 0.25. What are the satellite's perigee and apogee (in km)?

Solve for x: x5 + x4 − 7x3 − 7x2 − 144x − 144 = 0

winged seed is present ina.moringab.hiptagec.calotropisd.shorea

This is what I am supposed to do, I’m confused on what to do on 3,4, and 5. PLEASE HELP ASAP!!!!!! 30 POINTS!!!!!

In cap-and-trade system, countries can buy and sell vehicles. businesses. fertilizer. pollution credits.

A counterclockwise current runs through a square wire loop in the xy plane centered at the origin. The length of each side is d. What is the magnetic field on t

Mayras maternal grandfather into maternal uncle died of heart attacks and her mother has high blood pressure. What answer best explains what this means the Mayr

Help me!!! on this Measurement word problem

What is public speaking?

All rhombus have all sides that are equal in length but which one are rhombus or not. Need help on this.