Cube Roots of Negative Numbers

The video tutorial explains how to find the cube root of negative integers. It begins by establishing that the cube root of a negative number is negative. The tutorial provides examples, such as finding the cube root of -343 and -0.343, and explains the process of solving these problems. Another example involves finding the cube root of -210x27 by breaking it down into simpler components. The video emphasizes the importance of understanding the properties of cube roots when dealing with negative numbers.

What is the cube root of a negative number?

• Positive

• Undefined

• Negative

• Zero

If the cube of -2 is -8, what is the cube root of -8?

• 2

• -2

• -4

• 4

What is the cube root of -8?

• -2

• -4

• 4

• 2

What is the cube root of -1?

• -1

• 1

• Undefined

• 0

How do you find the cube root of -343?

• Find the cube root of 343 and add a positive sign

• Find the cube root of 343 and add a negative sign

• Multiply 343 by 3

• Divide 343 by 3

What is the cube root of -343?

• 49

• -49

• 7

• -7

How can -0.343 be expressed to find its cube root?

• As -34.3/100

• As -34.3/1000

• As -343/100

• As -343/1000

What is the cube root of -0.343?

• -0.7

• 0.7

• -7

• 7

What is the cube root of -1000?

• 100

• -10

• 10

• -100

How is -210x27 expressed to simplify finding its cube root?

• As -210x210

• As -64x64

• As -27x27

• As -64x27