The eternal math battle that divides classrooms everywhere! The happy Pomeranian represents the blissful ignorance of students who think √4 = 2, period. But that shocked, horrified Pom? That's the teacher's reaction when a brave soul mentions the negative root.
In the real number system, square roots technically have two values (±2 in this case), but convention dictates we use the positive value when writing √4. The negative solution only appears when solving x² = 4.
It's like finding out there's a secret menu at your favorite restaurant that mathematicians have been keeping from you this whole time!