Which of the Following Is a Way That a Student

Multiple Choice

Which of the following is a way that a student can verify that a trinomial has been factored properly?

A) Examine the graphs of the trinomial and product of the binomials.
B) Substitute a value for the variable and simplify the trinomial and the product of the binomials.
C) Examine a table of values for the trinomial and for the product of the binomials.
D) Re-multiply the binomial solution to compare the product to the original trinomial.
E) All of these.