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

Major findings of evolution of computers

Both aldehydes and ketones contain a carbonyl group a functional group with a carbon oxygen double bond, hence the carbonyl in aldehydes and ketones forms sp²hy

What is the value of x?

A certain area can support 124 deer. Initially, there were 2 deer in the area, and the number has been growing at an average rate of 10% per month. Approximatel

the justices and freedom for Cameron Herron

Apply the distributive property to create an equivalent expression. 4(x - 2 + y) =4(x−2+y)=4, left parenthesis, x, minus, 2, plus, y, right parenthesis, equals

---------please help asap---- ---------------

Solve the attachment...

a set of values behaviours and relationship that umderpins the trust the public has in dentist is called A dental professionalism B dental professii. C Dental p

What factors differentiate Earth's atmospheric layers? A. Pressure and Rate of condensation B. Radiation deflection and Rate of condensation C. Temperature and