Understanding Absolute Values and Inequalities

This video tutorial covers a range of mathematical concepts including positive and negative numbers, solving equations, plotting on a number line, understanding opposites and absolute values, writing and graphing inequalities, and finding common factors and multiples. It provides practical examples and exercises to help students grasp these concepts effectively.

If a temperature of -1° is compared to -15°, which statement is true?

• -1° is the same as -15°

• -1° is warmer than -15°

• -1° is colder than -15°

• -1° is not comparable to -15°

What is the opposite of -5 on a number line?

• 5

• 0

• -10

• 10

Which of the following numbers is greater than -5?

• -6

• -5.5

• -4

• -10

What is the absolute value of -7?

• -7

• 0

• 7

• 14

If a stadium can seat 16,000 people and currently has 13,920 people, what percentage of the stadium is filled?

• 80%

• 87%

• 90%

• 75%

What shape is formed by connecting the points (-2, 3), (2, 3), (-2, -3), and (2, -3) on a coordinate plane?

• Circle

• Triangle

• Rectangle

• Square

If a temperature in Tucson is 24°C warmer than in Minneapolis, and their temperatures are opposites, what is the temperature in Tucson?

• 12°C

• 24°C

• 0°C

• -12°C

How many bags can Diego make if he has 48 chocolate chip cookies, 64 vanilla cookies, and 100 raisin cookies, ensuring each bag has the same number of each type of cookie?

• 6 bags

• 4 bags

• 2 bags

• 5 bags

What is the least common multiple of 10 and 15?

• 50

• 40

• 30

• 20

If a green light blinks every 4 seconds and a yellow light blinks every 5 seconds, when will they blink together?

• 25 seconds

• 20 seconds

• 15 seconds

• 10 seconds