Review for first 9 weeks exam.

How can -7.5 best be classified?

• rational, real

• irrational, real

• rational

• irrational

Zero can be classified as all of the following except which?

• Whole

• Rational

• Integer

• Natural

Classify the following:

-78

• integer

• integer, real

• integer, whole, rational

• integer, rational, real

What is the definition of integers?

• Numbers you count on your fingers and toes

• Natural numbers and zero

• Whole numbers and their opposites

• Terminating or repeating decimals

Which statement is NOT true?

• Every rational number is also a whole number.

• Every counting number is a whole

• Every integer is a rational number.

• Every whole number is an integer number.

What is the weekly wage for a person who works 30 hours and is paid $10 hr?

• $300

• 275

• 40

What is the weekly wage for a person who worked 40 hours and is paid $12 hr?

• 240

• 360

• 480

A climber starts descending from 533 feet above sea level and keeps going until she reaches 10 feet below sea level. How many feet did she descend?

• 523 feet

• 543 feet

• 0 feet

• 500 feet

The temperature on Sunday was -15^o C. The temperature on Monday was 12 degrees less than the temperature on Sunday. What was the temperature on Monday?

• -27^o C

• 27^o C

• -3^o C

• 3^o C

Which situation can be represented by the inequality

15 + 6x ≤ 100?

• Lazer Zone charges $15 plus $6 per person. If Andrea has a maximum of $100 to spend, how many people can Andrea invite to play laser tag?

• Lazer Zone charges $6 plus $15 per person. If Andrea has a maximum of $100 to spend, how many people can Andrea invite to play laser tag?

• Lazer Zone charges $15 plus $6 per person. If Andrea has a minimum of $100 to spend, how many people can Andrea invite to play laser tag?

• Lazer Zone charges $6 plus $15 per person. If Andrea has a minimum of $100 to spend, how many people can Andrea invite to play laser tag?