# What is the degree of 5x^2+2x+1?

$5 {x}^{2} + 2 x + 1$ has a degree of 2.
The highest degree of an equation with a single variable equals the greatest exponent of that variable. The greatest exponent of $x$ in the equation $5 {x}^{2} + 2 x + 1$ is $2$, therefore its degree is $2$.