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

How would you write six and twenty five hundredths with a decimal point?
how do you write 5,920,178 in expanded form
The human respiratory system consists of various organs that work together to accomplish the vital task of bringing oxygen into the body. One organ listed is pa
Maritza remembers her pin because it is the product of consecutive prime numbers that is between 1000 and 1500. What is her pin
what is the diameter of the geosphere
which mountain range is located east of the Mississippi river
when you subtract one negative integer from another will your answer be greater than or less than integer you started with? Explain your reasoning and give exa
round 89659 to the nearest 100,000
Please help Let f(x)=2x^2+x-3 and g(x)=x-1. Perform the indicated operation, then find the domain. (F-g)(x) a. X^2-4; domain: positive real numbers b. 2x^2-4;
why is the weather mostly warm and sunny in the southeast