ninibadl12330 ninibadl12330
  • 02-05-2020
  • Mathematics
contestada

Which of the following are solutions to the equation below?
Check all that apply
x2 - 8x + 16 = 5

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 02-05-2020

Answer:

x =4 ±sqrt(5)

Step-by-step explanation:

x2 - 8x + 16 = 5

Complete the square

(x-4)^2 = 5

Take the square root of each side

sqrt((x-4)^2) = ±sqrt(5)

x-4 = ±sqrt(5)

Add 4 to each side

x-4+4 =4 ±sqrt(5)

x =4 ±sqrt(5)

Answer Link

Otras preguntas

What purpose did the introduction to the Declaration of Independence serve? a. It outlined the principles behind the call for independence. b. It listed colon
Could a mixture be made up of only elements ?
Matter is made up of very small particles called
What happens when chlorine atom gains an electron in its outer energy shell?
Why is a globe more accurate than a flat projection map?
Whats the estimate of 73,404+27,865?
Ocean temperatures _____ year round. A. vary greatly B. slowly increase C. slowly decrease D. remain relatively constant
what was the significance of the glorious revolution
Give the coordinates of the point located halfway between (2,1) and (2,4).
Kaitlin buys 9/10 pound of orange slices. She eats 1/3 of them and divides the rest equally into three bags how much is in each bag