DEPRECATED The fundamental theorem of algebra

Problem

Three polynomials of degree 4 are shown on the graph below.
Match each of the polynomials to the appropriate description of its roots.
 
Four real roots
Two real roots, two complex roots
Four complex roots
start color blue, p, left parenthesis, x, right parenthesis, end color blue
start color green, q, left parenthesis, x, right parenthesis, end color green
start color pink, r, left parenthesis, x, right parenthesis, end color pink
Do 7 problems