Quiz 1-4 and 1-5

How many dots are in the next pattern?

Describe the pattern in the diagram. Be specific in your description. For example, imagine you’re explaining the pattern to someone who isn’t looking at it.

Which number is a counterexample to the following statement?

All numbers that are divisible by 2 are divisible by 4.

• 0

• 12

• 28

• 22

Determine whether the conjecture is true or false:

If n² is odd, then n is odd.

• True

• False

Determine whether the conjecture is true or false:

If m and n are odd, then mn is even.

• True

• False

Based on the data in the table, how many members would you expect in the band in 2018?

Write the following as a conditional statement (if-then):

A rectangle must have four congruent angles.

Which statement is the converse of the following conditional?

If it is raining, then the ground is wet.

• If it is not raining, then the ground is not wet.

• If the ground is not wet, then it is not raining.

• If the ground is wet, then it is not raining.

• If the ground is wet, then it is raining.

Which statement is the inverse of the following conditional?

If it is raining, then the ground is wet.

• If it is not raining, then the ground is not wet.

• If the ground is not wet, then it is not raining.

• If the ground is wet, then it is not raining.

• If the ground is wet, then it is raining.

Identify the biconditional for the following statement.

• A

• B

• C

• D