Which of the following is a requirement for a trinomial to be factored as a perfect square?

A.

The coefficient for the x term must be twice the square root of the first term.

B.

The coefficient for the x term must be twice the square root of the last term.

C.

The coefficient for the x term must be twice the product of the square roots of the first and last terms.

D.

The coefficient for the x term must be half the product of the square roots of the first and last terms

Question

Which of the following is a requirement for a trinomial to be factored as a perfect square?




A. 

The coefficient for the x term must be twice the square root of the first term. 


B. 

The coefficient for the x term must be twice the square root of the last term. 


C. 

The coefficient for the x term must be twice the product of the square roots of the first and last terms. 


D. 

The coefficient for the x term must be half the product of the square roots of the first and last terms

anonymous · Answer

so....

anonymous · Answer

hmmmm...
well do you what a trinomial is

anonymous · Answer

yah

anonymous · Answer

what do you think the first term means?

anonymous · Answer

would it  a.. or c.

anonymous · Answer

well the answer is c. 

For example 4x^2 + 12xy + 9y^2 = (2x + 3y)^2