An even degree in mathematics refers to a polynomial with an even number as its highest exponent (degree). For example, a polynomial like x⁴ + 2x² + 5 has an even degree (degree 4). Other examples include:
* x² - 3 (degree 2)
* 7x⁶ - x⁴ + 1 (degree 6)
* 10 (degree 0 - a constant is considered an even degree polynomial)
The key is that the highest power of the variable is an even number (0, 2, 4, 6, 8, etc.).