03-06-2016
Mathematics

contestada

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

Respuesta :

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

1. Compare the location of electrons in an atom based on Bohr's theory with the location of electrons in an atom based on the current atomic theory. 2. Rutherf

how many hundredths are in 0.5

What is 5,389.029 rounded to the nearest hundreth

results of 1+2+3+....+99+100+99+...+3+2+1 is.....

why do the two elements silver and iron have different properties?

What does a journal written by frontier settlers most likely tell you about Manifest Destiny?

Prove that 2n + 1 ≤ 2n for n ≥ 3

Let E and F be independent events in a sample space S with Pr[E] = 0.4 and Pr[F] = 0.2. Find Pr[EUF] A.0.60 B.0.52 C.0.40 D.0.32 E.0.08

How do you calculate the initial speed given time and displacement? The question is: The longest kick in CFL history was 83.2m. If the ball remained in the air

How do u do this problem: W/6+5/8=-1 3/8 I got this answer: -1 53/64