Answer:
x = ± 8
Step-by-step explanation:
Given
4x² - 256 = 0 ( add 256 to both sides )
4x² = 256 ( divide both sides by 4 )
x² = 64 ( take the square root of both sides )
x = ±
= ± 8
Solutions are x = - 8, x = 8
Answer:
answers
Step-by-step explanation:
Answer:
The answer is 9.
Step-by-step explanation:
Most likely the answer is D
Hello!
The radius is the square root of the number right to the equal sign.
In this case that number is 169.
The square root of 169 is 13.
Hope this helped!