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

The stated interest rate is the rate quoted in the bond contract used to calculate the cash payments for interest. a. True b. False

Joel is laying pipe for a sprinkler system before he plants his lawn. The lawn is a rectangle, 15 feet long and 8 feet wide. He needs to lay a piece of pipe t

What was the name of the Communists who led a revolution in South Korea? A) Soviet Socialist Party B) National Liberation Front C) Black Hand D) Red

the natural vegetation regions of sub-Saharan Africa

What does the lack of punctuation in William Carlos Williams's "Landscape with the Fall of Icarus" do to the pacing of the poem

Which excerpt from Click It or Ticket Mobilization Media Campaign best achieves the purpose of informing people that seat belt laws are enforced nationwide? A.T

Is the sentence "I saw the girl on the street with the sign" ambiguous?

Lisa has a rectangular trampoline that is 6 feet long and 12 feet wide. What is the area of her trampoline in square feet?

What are some measurements used to determine water waste from leaking faucests?

Where would you find every escrow entry showing the running balance after each receipt or disbursement?