brianc3hutMAS brianc3hutMAS

24-05-2016
Mathematics

contestada

What is the discriminant of the quadratic equation 0 = –x^2 + 4x – 2?

–4

8

12

24

Respuesta :

24-05-2016

from this equation :
a: the coefficient of x^2 & b: the coefficient of x & c: the last term
so a=-1 ; b=4 ; c=-2;
discriminant = b^2 -4*a*c
= (4)^2 -4(-1)(-2)
= 8

Answer Link

Otras preguntas

How has censorship affected democratic growth in Russia? A) The freedom of speech granted in the constitution has been repressed B) Private business has become

What were the chief provisions in the USA Patriot Act? A. The government could eavesdrop on telephone calls and privileged conversations between prisoners and t

Why are drums so important in many African cultures?

How were Ares and Zeus related?

if dimensions of a triangle are 2 times bigger, how does the area of the triangle change?

Which is an example of a population? A. all the red tailed foxes in the meadow B. all of the individuals making up a species C. each goose in a gaggle of ge

A small fountain holds 38 gallons of water in 4 equal-sized sections. How many gallons of water are in each section?Choose all answers that are correct. A. 38/

what is the factors of production

I am about to fail this math class. I would like to verify that my answers are right. Please help. Find the distance from the given point to the vertical axis.

classify each polynomial according to its degree and number of terms -m4 -m2 -1