Chapter 9: First-Order Differential Equations - Section 9.1 - Solutions, Slope Fields, and Euler's Method - Exercises 9.1 - Page 530: 4

B

We will have to consider some points in order to match the differential equation with its graph, such as: At the point $y=\pm x$, the slope becomes zero or null),so this must be the graph $B$. Hence, the graph is $B$.