emmanuelknight64 emmanuelknight64

04-04-2022
Mathematics

contestada

how many roots does y=x2-6x+9 have

Respuesta :

xenia168 xenia168

04-04-2022

Answer:

One root ; x = 3

Step-by-step explanation:

( a ± b )² = a² ± 2ab + b²

~~~~~~~~~

y = x² - 6x + 9

x² - 6x + 9 = x² - 2(x)(3) + 3² = ( x - 3 )²

( x - 3 )² = 0 ⇒ x - 3 = 0 ⇒ x = 3

Ver imagen xenia168

Answer Link

Otras preguntas

PLEASE HELP!!!!! A kangaroo is a mammal. What does a kangaroo lack that mammals such as dogs and cats have? A) amniote eggs B) pouch C) notocho

help A rectangular table is positioned in a 10-foot by 10-foot room as shown. How long is the longer edge of the table? Square root of feet What is the area o

Simplify the product

Asha found that a vertical line intersects the graph of at two points. What can Asha conclude about ? It is a function of x but not a relation. It is a relati

Jena gets in an argument with a friend and wants to relax and escape the situation. She starts thinking about smoking marijuana. Which stage of the addiction cy

A doctor estimates that a particular patient is losing bone density at a rate of 3% annually. The patient currently has a bone density of 1,500 kg/mg3. The doct

A train travels 80 kilometers in 3 hours , and 84 kilometers in 2 hours .What is the average speed ?

How can studying the opinion an art critic be educational?

What form of christianity is most common in ethiopia?

Contrast foreign key and primary key