Evaluating Cube Roots (Part 2)

The video tutorial explains how to find the cube root of non-perfect cubes using estimation. It demonstrates the process with examples of cube roots of 60 and 11, using a guess and check method to approximate the values. The tutorial highlights that such cube roots are irrational numbers and emphasizes the importance of approximation. The lesson concludes with a summary of the cube root evaluation process.

What is the estimated range for the cube root of 60?

• Between 5 and 6

• Between 4 and 5

• Between 3 and 4

• Between 2 and 3

What is the cube of 3.9?

• 64.000

• 54.872

• 59.319

• 60.000

Why is the cube root of 60 considered an irrational number?

• Because it is a whole number

• Because it has a repeating decimal

• Because it cannot be expressed as a simple fraction

• Because it is a negative number

Which of the following is the best approximation for the cube root of 11?

• 2.4

• 2.2

• 2.1

• 2.3

Which number is closer to the cube root of 11?

• 2.5

• 2.2

• 3.0

• 2.0