How to take the odd root of a negative integer, cube root

The video tutorial explains the concept of cube roots, focusing on the cube root of -8. It highlights that the cube root represents a number multiplied by itself three times to yield a given value. The tutorial emphasizes that for odd roots, a negative root results in a negative number. The example of the cube root of -8 is calculated as -2, since -2 multiplied by itself three times equals -8. The session concludes with a summary of the calculation process.

What does the cube root of a number represent?

• A number multiplied by itself twice

• A number multiplied by itself three times

• A number divided by itself three times

• A number added to itself three times

How many times must a number be multiplied by itself to find its cube root?

• Four times

• Two times

• Three times

• Five times

If the cube root of a number is negative, what can we infer about the number?

• The number is zero

• The number is positive

• The number is imaginary

• The number is negative

Which of the following is true for the cube root of a negative number?

• It is always imaginary

• It is always negative

• It is always zero

• It is always positive

What is the cube root of -8?

• 4

• -4

• -2

• 2