Which of the Following Equations Corresponds with the Slope Field $\frac { d y } { d x } = ( x - y ) ^ { 2 }$

Short Answer

Which of the following equations corresponds with the slope field shown below?
I. $\frac { d y } { d x } = ( x - y ) ^ { 2 }$ II. $\frac { d y } { d x } = ( x + y ) ^ { 2 }$ III. $\frac { d y } { d x } = x ^ { 2 } - y ^ { 2 }$ IV.None of them