introduction cube root
Answers
Explanation:
A cube root is also known as the third root. When solving for the cube root of term, you are looking for what value, multiplied by itself 3 times, would give you the base.
Example:
8 = 2, because 2 x 2 x 2 = 8.
The number under the radical, 8, is known as the base. The root is 3 for all cube roots.
Example:
64 = 4, because 4 x 4 x 4 = 64. The base is 64, and the root is 3.
We can also have negative numbers under a cube root. Using our knowledge of multiplication with negative numbers, we can deduce that this can occur if a negative number is multiplied with itself 3 times. So, if our base is negative, our answer must also be negative.
Example:
-27 = -3, because -3 x -3 x -3 = -27
Take care! Taking a cube root is very different than dividing by three. For instance, a common error for the previous problem is :
-27 = -9, because -9 x 3 = -27
Make sure you do not commit this error, as multiplication by 3 and multiplication by oneself three times are very different.
Answer:
Introduction of cube root
Explanation:
A cube root is also known as third root.
When solving for the cube root of term, you are looking for what value, multiplied by itself three times, would give you the base.........The number under the radical, 8, is also known as the base.
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