Question

Find z, if it is known that:
$a:-y^2+x^2=20$
$b:y^3-2x^2-4z \geq -12$and
$c: x,y$ and $z$ are all positive integers

• A. Any integer greater than 0 and less than 24
• B. 24
• C. We need one more equation to find z
• D. 6
• E. 1

Answer 1

Answer: (E)

1

Answer 2

The correct answer is option (E):1