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

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

Ribosomes are the site where __ is produced ?

Write 68/32 in simplest form. A. 2 4/32 B. 2 1/8 C. 34/16 D. 68/32

help me bros i need an 100

To make the blood into food, the scientists first separated blood into its main parts: red cells, which carry oxygen; white cells, which fight infection; platel

what is one reason you might use a checking account instead of a savings account

using the membership cost table on the right, find the cost of the membership after 4 months

Which economic activity is part of a government's fiscal policy? A. Calculating inflation B. Printing money C. Regulating corporations D. Spending tax revenues

Genetic risk factors are non-modifiable. True or false

when adam started his career, he placed $500 in a savings account with a 2.7% simple interest rate. how much will be in the account in total after he retired in

PLEASE, PLEASE, PLEASE HELP!!!!! WILL GIVE BRAINLIEST, 5-STAR RATING, AND THANK YOU!!!! 8pts guranteed Helpful answers are really appreciated! How would the ste