rodriguezgiselle800 rodriguezgiselle800
  • 14-04-2020
  • Mathematics
contestada

Solve for x. x2 − 16 = 9 A) x = 3 or −3 B) x = 4 or −4 C) x = 5 or −5 D) x = 6 or −6

Respuesta :

xxNMNxx
xxNMNxx xxNMNxx
  • 15-04-2020

Answer:

C

Step-by-step explanation:

x^2 - 16 = 9

x^2 -16 +16 = 9+16

x^2 = 25

√x^2 = √25

x = 5

Answer Link

Otras preguntas

What is the equation of the line that passes through (-4, 5) and is parallel to the line 4x + 2y = 10? A. y= 1/2x + 3 B. y= 1/2x +5 C. y= -2x + 10 D. y= -2x
3y+6(3y-2) = 2(y-1)-7 solve for y , reduce answer to integer or fraction.
12. The Jimenez family watched television for a total of 9 1/3 hours during a one- week period. What is the average number of hours per day they watched televis
PLEASE HELPPPPPPPPP:(
Define Federalism.Without Google​
Which of the following expressions are equivalent to 6 ^3?
P is the midpoint of DE. the coordinates of D are (4,6) and the coordinates of P are (2,3). Find the coordinates of E.
Help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help
convert50° into minutes.​
Does anybody know this? 1/2 divided by 4/7