free97 free97
  • 02-05-2020
  • Mathematics
contestada

Question 9. Factor x^2 - 6x + 9.
A
(x - 3)
B
(x - 3)(x + 3)
C
(x - 3)^2
D
9x + 3)^2

Respuesta :

jimrgrant1 jimrgrant1
  • 02-05-2020

Answer:

C

Step-by-step explanation:

Given

x² - 6x + 9

Consider the factors of the constant term (+ 9) which sum to give the coefficient of the x- term (- 6)

The factors are - 3 and - 3, since

- 3 × - 3 = + 9 and - 3 - 3 = - 6, thus

x² - 6x + 9 = (x - 3)(x - 3) = (x - 3)² → C

Answer Link
lucasella
lucasella lucasella
  • 02-05-2020

a²-2*a*b+b²=(a-b)²

x²-6x+9=x²-2*x*3+3²=(x-3)²  C)

Answer Link

Otras preguntas

The electric bill in May was $215.00. In June the bill was $274.00. What is the percent of increase rounded to the nearest tenth? A. 21.5% B. 28.5%. C. 27.4%.
If the original number is 15 and the new number is 5, what is the percent decrease?
Which is the correct way to write 57,021 in expanded form?
I really need to do the number five
What does linear mean?
Rita gave birth to a baby. She does not wish for another baby soon. Which medicine will the doctor prescribe? The doctor prescribed to Rita to prevent concepti
Debra found that 6 of the 24 students in her class own a cellphone. What is the ratio of students that own a cell phone to students that do not? Explain your re
I need help with number 5
in sparta when did training for war begin
What is the effect of the personification of autumn in these lines? Thee sitting careless on a granary floor, Thy hair soft-lifted by the winnowing wind; Or on