jhemmi jhemmi
  • 03-06-2016
  • Mathematics
contestada

Use the discriminant to find the number of real roots in Y = x^2 – 6x + 9

Respuesta :

whiskeyo
whiskeyo whiskeyo
  • 03-06-2016
So discriminant is being counted from that equation:
b^2-4ac = 36-36 = 0

As discriminant is 0, then there is just 1 root -> -b/2a = 6/2 = 3.
Answer Link

Otras preguntas

What symbol replaces the and < ,>,= 9/1 and 8/10
13. What is the absolute value of -32?
Simplify please answer
What best describes how energy moves through the ecosystem
An electric generator transforms mechanical energy into electrical energy
where does most of the nitrogen cycle take place
Thermal energy is a form of
Why doesn’ Australia have life forms that are not seen any where else ?
Match the sentences. 1. Yo hago la cena​
How happy some o'er other some can be! Through Athens I am thought as fair as she, But what of that? Demetrius thinks not so; He will not know what all but he d