2-3 Statements & Conditionals Quizizz

"If angles are vertical, then they are congruent."

What is the hypothesis of this conditional statement?

• Angles are vertical

• Angles are congruent

• If angles are congruent, then they are vertical

• If angles are not congruent, then they are not vertical

"If angles are vertical, then they are congruent."

What is the conclusion of this conditional statement?

• Angles are vertical

• Angles are congruent

• If angles are congruent, then they are vertical

• If angles are not congruent, then they are not vertical

"If angles are vertical, then they are congruent."

What is the converse of this conditional statement?

• Angles are congruent

• If angles are not vertical, then they are not congruent

• If angles are congruent, then they are vertical

• If angles are not congruent, then they are not vertical

"If angles are vertical, then they are congruent."

What is the contrapositive of this conditional statement?

• Angles are congruent

• If angles are not vertical, then they are not congruent

• If angles are congruent, then they are vertical

• If angles are not congruent, then they are not vertical

"If angles are vertical, then they are congruent."

What is the inverse of this conditional statement?

• Angles are congruent

• If angles are not vertical, then they are not congruent

• If angles are congruent, then they are vertical

• If angles are not congruent, then they are not vertical

"If an animal flies, then it is a bird."

What counterexample proves the conditional false.

• Airplane

• Penguin

• Bee

• Cow

"If an animal is a bird, then it flies."

What counterexample proves the conditional false.

• Airplane

• Penguin

• Bee

• Cow

Which pair of angles would be a counterexample to the following statement:

"If angles are congruent, then they are vertical."

• ∠1 and ∠2

• ∠1 and ∠3

• ∠1 and ∠5

• ∠1 and ∠6

"If angles are vertical, then they are congruent."

This conditional statement can tell us something about which pair of angles?

• ∠1 and ∠2

• ∠1 and ∠3

• ∠1 and ∠5

• ∠1 and ∠6

What is the converse of:

a → b

• b → a

• ~b → ~a

• ~a → ~b

• b