## anonymous 5 years ago 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?

1. anonymous

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

2. anonymous

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

3. anonymous

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

4. anonymous

A?

5. anonymous

ok thanks