Quiz #2-1

A counterexample is an example that proves a conjecture to be true.

• True

• False

Which of the following conjectures is false?

• The product of two even numbers is even.
• The sum of two even numbers is even.
• The product of two odd numbers is odd.
• The sum of two odd numbers is odd.

Tags

CCSS.3.OA.D.9

What is the converse to this statement?

• If it isn't dark outside, then it is not night.
• If it is night, then it is dark outside
• If it is not night, then it is not dark outside.
• It is night.

Tags

CCSS.L.2.1F

CCSS.L.8.1C

CCSS.L.8.3A

What is this?

• Conditional Statement
• Inverse
• Converse
• THIS IS A GEOMETRY CLASS!!! GIVE ME NUMBERS!

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

p: It is raining.

q: The game is cancelled.

If it is raining, then the game is cancelled.

Tags

CCSS.7.SP.C.8B

p: It is raining.

q: The game is cancelled.

If it is not raining, then the game is cancelled.

Tags

CCSS.7.SP.C.8B

p: It is raining.

q: The game is cancelled.

It is not raining and the game is cancelled.

Tags

CCSS.7.SP.C.8B

• The girl wears a red hat and the boy wears a blue coat.

• The girl wears a red hat or the boy wears a blue coat.

• If the girl wears a red hat, then the boy wears a blue coat.

• The boy wears a blue coat if and only if the girl wears a red hat.

Given, "If angles are congruent, then the measures of the angles are equal." Identify the contrapositive.

• If the measures of the angles are equal, then the angles are congruent.
• If angles are not congruent, then the measures of the angles are not equal.
• If the measures of the angles are not equal, then the angles are not congruent.
• If the angles are not congruent, then the measure of the angles are equal.

Tags

CCSS.8.G.A.2

• It snows on Sunday and it rains on Saturday.

• It snows on Sunday or it rains on Saturday.

• If it snows on Sunday, then it rains on Saturday.

• If it rains on Saturday, then it snows on Sunday.

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2