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

solve formula v=kt/p for t
A rectangle has an area of x3 + x2 – 7x + 2 square meters and a width of x – 2 meters. Find its length.
What is the biggest category of federal discretionary spending? B. civilian salaries C. education D. defense
solve this problem by using variation of parameters method. y''-y=coshx.
Find the formula for the compound that contains 72.40% iron and 27.60% oxygen.
17.the key factor that determines whether the supply of a good will be elastic or inelastic is _____.
Match the central idea or aspect of god described by william Blake to the lines of the poems the tiger and the lamb
16. _______ conjunctions are found in pairs. A. Subordinating B. Correlative C. Coordinating D. Relative
summarize the three main acid and base theories for arrhenius
What is the relationship between Pangaea and the continental drift theory??