Which equation involves a prime quadratic and cannot be solved by factoring? a. x2 + 6x + 9 = 0 b. x2 − x − 6 = 0 c. x2 + 3x − 4 = 0 d. x2 + 5x − 4 = 0

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

Write the contrapositive of the conditional statement. determine whether the contrapositive is true or false. if it is false, find a counterexample. a converse statement is formed by exchanging the hypothesis and conclusion of the conditional. a) a non-converse statement is not formed by exchanging the hypothesis and conclusion of the conditional. true b) a statement not formed by exchanging the hypothesis and conclusion of the conditional is a converse statement. false; an inverse statement is not formed by exchanging the hypothesis and conclusion of the conditional. c) a non-converse statement is formed by exchanging the hypothesis and conclusion of the conditional. false; an inverse statement is formed by negating both the hypothesis and conclusion of the conditional. d) a statement not formed by exchanging the hypothesis and conclusion of the conditional is not a converse statement. true