math help please?

Consider the conditional statement, “If n^2 is even, then n is even.” To prove this statement by a line of indirect reasoning, identify the beginning alternative conclusion.

a. n^2 is not even

b. n^2 and n have opposite signs

c. n is odd

d. If n^2 is not even, then neither is n.

Consider the conditional statement, “If n^2 is even, then n is even.” What is the hypothesis?

a. n is even

b. n^2 is even

c. n^2 and n must have the same sign

d. n^2 and n may have opposite signs

Always start an indirect proof by doing what?

a. stating the given information.

b. constructing a table or chart.

c. assuming that what you are trying to prove is true.

d. assuming that what you are trying to prove is false.