na3omosha1llee na3omosha1llee

18-06-2016
Mathematics

contestada

A quadratic equation has a discriminant of 12. Which could be the equation?

0 = –x2 + 8x + 2
0 = 2x2 + 6x + 3
0 = –x2 + 4x + 1
0 = 4x2 + 2x + 1

Respuesta :

18-06-2016

Hello,

Answer B

a) Δ=8²+4*2=72
b)36-4*3*2=12
c)4²+4*1=20
d)4-4*4*1=-12

Answer Link

jennifercadey jennifercadey

23-11-2020

Answer:

0 = 2x2 + 6x + 3

Step-by-step explanation:

B

Answer Link

Otras preguntas

You earn $1,320 a week. The company needs to make cutbacks so your pay is reduced by 10%. Later you get a 10% cost−of−living raise. What is your current weekly

Select one option which does not belong: a. bañarse b. ducharse c. lavarse d. ponerse

32. The Bolo Cavern outside of Vandalia is 421 ft below sea level. A little more than 75 miles away. Mt. Owens is 7295 feet above sea level. What is the differe

A 2 1/2-year-old boy presents with a severe sore throat, muffled voice and difficulty opening and closing his mouth. On examination, the oropharynx is markedly

A 4ft thick slice is cut off the top of a cube, resulting in a rectangular box that has volume 42ft3. Use the ALEKS graphing calculator to find the side length

The mean free path of nitrogen molecules at 2.3°C and 1.28 atm is 1.51 x 10-5 cm. At this temperature and pressure there are 3.41 x 1019 molecules/cm3. What is

Six less than twice a number z is less than 14

the basic cause of the peloponisian war was

While his/her vehicle is disabled on the highway or shoulder, a driver should use

Decompose the rectangle along the diagonal and recompose the two pieces to make a different shape