Question

Point A appears on the number line as shown below:

Answer 1

the answer is C.
Any number squared will be positive, therefore x^2+y^2 has to equal a positive number. A is less than zero, so it is negative.

Answer 2

C x^2 + y^2

Explanation:

If x and y are real numbers

x^2 > 0 and y^2 >0 so x^2 + y^2 >0 and A is a negative number