Question 1

What happens to the temperature for every kilometer increased in altitude while climbing Mt. Everest?

Accepted Answer

It decreases by C.

Answer

It decreases by 1 degree.

Answer

It remains constant.

Answer

It increases by C.

Question 2

Which temperature is colder, −7.2° in Montréal or −7.6° in Edmonton?

Accepted Answer

−7.6° in Edmonton.

Answer

−7.2° in Montréal.

Answer

Both are warm.

Answer

Both are the same.

Question 3

What are prime numbers?

Accepted Answer

Positive integers whose only positive divisors are 1 and themselves.

Answer

Numbers that have no factors.

Answer

Any integer greater than 1.

Answer

Numbers that can be divided by 2.

Question 4

What is the prime factorization of 12?

Accepted Answer

2 × 2 × 3.

Answer

4 × 3.

Answer

2 × 6.

Answer

3 × 4.

Question 5

How do you represent repeated multiplication using exponents?

Accepted Answer

By using a base and an exponent.

Answer

By using square roots.

Answer

By using addition.

Answer

By using division.

Question 6

What is the least common multiple (LCM) of two numbers?

Accepted Answer

The smallest positive integer that is a multiple of both numbers.

Answer

The largest integer that divides both numbers.

Answer

The difference of both numbers.

Answer

The sum of both numbers.

Question 7

What is the greatest common factor (GCF) of 72 and 90?

Accepted Answer

18.

Answer

36.

Answer

6.

Answer

12.

Question 8

What is a composite number?

Accepted Answer

A positive integer that has more than two factors.

Answer

A number that can only be divided by one.

Answer

A number that can be expressed as a fraction.

Answer

Any even number.

Question 9

How do you express the prime factorization of a number using exponents?

Accepted Answer

By writing the prime factors raised to the power of the number of times they appear.

Answer

By multiplying the factors.

Answer

By using decimal notation.

Answer

By listing all factors.

Question 10

In the context of temperatures, what does a negative number represent?

Accepted Answer

A temperature below zero.

Answer

A temperature above zero.

Answer

An average temperature.

Answer

A non-existent temperature.