browndaisha9
browndaisha9 browndaisha9
  • 12-04-2017
  • Mathematics
contestada

Solve
x2 - 49 = 0

A) ±49
B) ±12
C) ±7
D) ±6

Respuesta :

essembly essembly
  • 12-04-2017
C, x = +-7. Difference of squares
Answer Link
Аноним Аноним
  • 12-04-2017
x2 - 49 = 0     factor this:0
(x + 7)(x - 7) = 0

x = +/- 7
Answer Link

Otras preguntas

I'm not so sure what the answer is
What organization did the United States employ during the Cold War to work covertly in communist countries?
Whats the answer for both
Determine where the function is linear or quadratic. Identify the Quadratic, Linear and constant Terms A. y=(x+1)(4x-1)-4x^2 B. f(x)=(3x+3)(-5x-6)
Can anyone explain this plz? \frac{g+7}{4} =3
Fia's goal was to raise $5000 to help protect the mantees . She raised $3500 . What percent of her goal did she achieve?
what is the main theme of shakespeare's play julius caesar? leaders need to make their own decisions and not listen to others. being loyal to one's country may
what is the value of (3^6 ÷ 3^5)^2 ? 1 3 9 27
in a closed system, if a gas is transported to a container with double the volume of the previous container, the gas was held in, what is the gases' new volume?
what kingdom contains true bacteria