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

What conclusion can be drawn about the number of elements the make up the majority of the world in which we live and the total number of elements identified on

What is the speech by Hitler expressing about German nationalism ? Treaty of Versailles

cot 2 2x – 4cot2x + 3 = 0

Initially the price of natural gas is 10 per 1000 cubic feet

Solve: 4x - 3 = 2x + 7 Solve: 2x + 6 = 7x - 14

Find f(-4) if f(x)= -9x+2

A basketball player has a 70% accuracy rate for making free throws. Mark thought that each attempt was independent and the probability stayed at 70% for this pl

X ) x -2 < 6 or > 4 3 Find x

A class trip cost a total of $414, including a museum ticket and lunch for each student. Three students were sick on the day of the trip and did not attend, so

1. what is a meaning of Technique