What is the solution to the equation x2 = 16? Explain.
2 answers
The solution to the equation x2 = 16 is x = ±4. This is because when you square a number, the result is always positive, so the square root of 16 is both 4 and -4.
No, the square root of 16 is 4
Just because (-4)^2 is also 16 does not make it the square root.
Just because (-4)^2 is also 16 does not make it the square root.
2 answers