Will mark as brainliest. solve: x^2 - 16 = 0 a) 2 b) ±2 c) 4 d) ±4

i think the answer is .36

step-by-step explanation:

what i did was only 2.88 divided by 8

(8+64)^2= 5184 < answer

step-by-step explanation:

2^3 = 8

4^3= 64

(8+64)^2 = 5184

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.