Seudónimo Seudónimo

03-04-2020
Mathematics

contestada

How many solutions does this quadratic equation have ? y=x^2-8x-20

Respuesta :

Officialalehpeter Officialalehpeter

03-04-2020

Answer: y=x+2 or x-10

Step-by-step explanation:

Y=x2-8x-20

Quadratic equation

Variables of -20 that will give -8 are

-10 &+2

Substitute into the equation

Y=x2-10x+2x-20

Y=x(x-10)+2(x-10)

Y=(x+2)(x-10)

The two equations are

Y=x+2 or

Y=x-10

Answer Link

Otras preguntas

Which table represents a linear function?

15. Whose duties include operation of the National Response Coordination Center, the effective support of all Emergency Support Functions, and, more generally,

Can u please help me with these 2 answers!

A closed, rigid tank contains a two‐phase liquid–vapor mixture of Refrigerant 22 initially at −20°C with a quality of 50.36%. Energy transfer by heat into the t

Which of the following statements about the industrial revolution labor laws is false ? A.they limited the number of hour that women could work in factories. B

Two companies, Le Shuttle and P&O European Ferries, provide Europeans with the ability to cross the English Channel. An advertisement for Le Shuttle claimed

What the distance between -45 and -98

constitution is the supreme law of a country

A 40 kg skier skis directly down a frictionless slope angled at l-0o to the horizontal. Assume the skier moves in the negative direction of an x axis along the

Which might be an effect of hepatitis B?