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

What does the suffix -fy mean? the action of full of capable of being cause or become

What technique does Sojourner Truth use in this sentence from her "Ain't I A Woman?" speech?

I propose to study the relationship between self-esteem and reading skill levels among students at Clairmont High School. At Clairmont, about 14 percent of the

What are the "common difficulties" that Rooselvelt adresses as the central idea of his speech Part A: A.Waging war against a foreign foe B. Dishonesty within th

A pizza maker can make 8 pizzas in 12 minutes. What is the pizza maker's unit rate?

You are looking for a birthday gift for your best friend. Unfortunately, the item you wanted to buy is out of stock. "Hello," a store clerk says. "I see that yo

How much time was between the us and russia in the space race?

Which addictive substance became the most important item of export from North America?

Is the process of drawing district boundaries to give on political party an electroal advantage?

At Haines Elementary, 30% of the 120 teachers were male. The following school year, several new teachers were hired. The number of female teachers remained the