x2 -16 = 0
x2 = 16
x = 4
Elizabeth solved this problem and claims to have found all solutions. Jim says she is wrong because 42 = 16 but also (-4)2 = 16. What type of reasoning is Jim using?

Question

anonymous · Answer

the result of the square root of any real X is $$\pm \sqrt{x}$$

anonymous · Answer

If you square a positive or negative number, you get the same result.

anonymous · Answer

so is it 	

A)
	algebraic
	

B)
	counterexample
	

C)
	deductive
	

D)
	inductive

anonymous · Answer

A?

anonymous · Answer

ok thanks