M7 quiz 2

What is the equivalent of the track’s length, 2.5 kilometers, in meters?

• 25 meters

• 250 meters

• 2500 meters

• 25000 meters

If the viewing stand is 4.2 meters high, describe what this means in centimeters.

• 42 centimeters

• 420 centimeters

• 4200 centimeters

• 42000 centimeters

If the track is 350 centimeters wide, what is the correct equivalent in meters?

• 3.5 meters

• 35 meters

• 350 meters

• 3500 meters

How many seconds are there in 45 minutes?

• 2.7 seconds

• 27 seconds

• 270 seconds

• 2700 seconds

Which numbers from the list are irrational numbers?

• {π,√2}

• {-3, 0, 1/2, 5, 7.5}

• {√16, -√25, √2}

• {-3, 0 1/2, 5, √16, -√25, 7.5}

Which statement best describes rational numbers?

• Numbers that are less than zero.

• Whole numbers that are positive.

• Numbers that cannot be expressed as a ratio of two integers.

• Numbers that can be written as a fraction where both the numerator and the denominator are integers.

Which number is NOT a cube root of the given perfect cubes above?

• 2

• 3

• 4

• 5

Using the numbers on the scoreboard above, find its roots. Which is NOT a square root among the numbers below?

• 7

• 9

• 11

• 12

Examine the numbers on the scoreboard and determine the perfect squares and perfect cubes. Add the roots to get the total score. What is the total score?

• 35

• 38

• 43

• 50

Which numbers are irrational numbers?

• 
• 
• 
•