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 role of a spinal cord in a human body​
Classify the expression: −2x2 + 11
Sweatshirts Ltd. is downsizing. The company paid a $3.80 annual dividend last year and has announced plans to lower the dividend by30 percent each year. Once th
Solve the system of inequalities:2x-1 < x+35x−1 > 6−2xx−5 < 0
why did jamestown ultimately survive as a permanent settlement
Isabella ran a lemonade stall at a school festival. She made a $10 profit in the first hour, a $ 25 loss in the second hour, and a $7 profit in the third hour.
help......................................................
Julianne is planning her upcoming wedding later this year. She has made a list of all the expenses which will be required for the wedding she has planned. Which
In the Founder's Day Parade in Happy, USA, many organizations participate by building floats. The Float Committee has issued a decree that each float can only h
____ involves the following: Analyzing cost performance to determine which work packages may require corrective action; Deciding what specific corrective action