wraaawrcx wraaawrcx
  • 24-06-2016
  • Mathematics
contestada

The equation x2 – 1x – 90 = 0 has solutions {a, b}. What is a + b?

Respuesta :

caylus
caylus caylus
  • 24-06-2016
Hello,

It must be well know that
x²-(a+b)x+a*b=0 is a equation of 2nd degree with a and b like root.
===>a+b=1
and a*b=-90

N'en déplaise Excellency. (think before delete!)
Answer Link
Trillmadetrey Trillmadetrey
  • 13-05-2020

Answer:

1

Step-by-step explanation:

Answer Link

Otras preguntas

The writings of the Enlightenment inspired the revolutionaries of France. True False
the bowed of shape of the production possibilities curve illustrates
When was the castle in motta saint anastacia built??
once RNA is produced, what is its function
Many words in the English language originate from Greek, _____, and Anglo-Saxon languages.   Arabic Japanese Hawaiian Latin
Which undefined geometric term is described as an infinite set of points that has length but not width?
need help asap !!!!!what has code that is freely available for use or modification?
Put in slope intercept form and graph x-y=1
How does the author ensure that you fully understand the weather in Flint? In the story Watsons
Thomas Edison began serious research into developing a practical incandescent lamp in 1878. Edison filed his first patent application for "Improvement In Elec