What meaning is revealed through the use of an analogy in this cartoon?

Consider the quadratic equation ax^2+bx+5=0,where a, b and c are rational numbers and the quadratic has two distinct zeros.if one zero is irrational what is the other zero?

What image resolution is best if you are printing an image to paper

Amy tried to write her essay but she was distracted by the phone ring the sentence above combines a. an independent clayse and a dependent clause b. two independent clauses c. a dependent clause d. none if the above