Which of these lines in the xy-plane does not contain any point with two negative coordinates? Choose the most appropriate option
A) y = 3x B) y = x + 8 C) y = x^2 - 4 D) y = x^3 + 2x E) y = x^2
x^2 is 0 when x is 0 and positive for all other values of x.   The answer is y = x^2.
<result>E</result>
Which of these lines in the xy-plane does not contain any point with two negative coordinates?