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

Which is a disadvantage of digital payments? A. They are more difficult for sellers to accept than traditional payments. B. They record more personal informatio

In the 1950s an actress named joan barry sued charlie chaplain for paternity of her child. charlie chaplain's blood was ab and the child was type o. joan barry

B is the midpoint of ac. ab equals 4x-1 and bc equals 5x-5. what is the length of bc?

Hi, so I've always been more into Egyption god and godesses more than the greek and roman gods and godesses I learn in school, and I was wondering what the best

Write an equation that expresses the relationship between the side lengths of each triangle

Which points are 4 units apart?

On Wednesday, Simran walked from home to the train station. On Thursday, Simran took the bus from home to the train station. The distance-time graphs show Simra

SOMEONE ANSWER THIS PLEASE

A biologist studying caterpillars finds that one caterpillar is 2.78 centimeters long and a second one is 3.1 centimeters long. the second caterpillar is how ma

write a creative writing story about “a day everything went wrong”