The square root of one forth of a number is 8. What is that number?
4 Answers
Jun 11, 2018
The number is
Explanation:
Let the number be x
Given :
Jun 11, 2018
256
Explanation:
square both side
multiply by 4
Jun 11, 2018
Explanation:
Let
We are told that :
Square both sides.
Jun 11, 2018
Explanation:
"let the number be "x
"then one fourth of the number "=x/4
["note that "sqrtaxxsqrta=(sqrta)^2=a]
sqrt(x/4)=8
color(blue)"square both sides"
(sqrt(x/4))^2=8^2
x/4=64
"multiply both sides by 4"
x=4xx64=256