Chapter 2 Review

Identify the hypothesis in the following statement:

If you get an A on your history test, then you can go to the movies this weekend.

Identify the conclusion in the following statement:

If you get an A on your history test, then you can go to the movies this weekend.

Identify the conclusion in the following statement:

If the temperature does not get warmer, then we will have to close the pool.

Identify the hypothesis in the following statement:

If the temperature does not get warmer, then we will have to close the pool.

Which of the following is a counterexample to this statement:

All prime numbers are odd.

• 2 is a prime number

• 3 is an odd number

• 10 is not prime and it is not odd

• 13 is a prime number

Which of the following is a counterexample to this statement:

The sum of two numbers is always positive.

• 2 + 3 = 5

• -1 + -2 = -3

• 2 + 2 = 4

• -3 + 4 = 1

Which of the following is a counterexample to this statement:

The product of two numbers is always even.

• 3 x 5 = 15

• 6 x 6 = 36

• 0 x 4 = 0

• 12 x 4 = 48

Which of the following is a counterexample to this statement:

Every month has at least 30 days.

• February

• October

• September

• January

Complete the following pattern:

4, 5, 7, 10, 14, __

Complete the following pattern:

-13, -8, -3, 2, __