Find the cube root of -729: ^3√-729
1. 243
2. -9
3. 9
4. 9, -9
The cube root of -729 can be calculated as follows:
(-9)^3 = -9 * -9 * -9 = -729
Therefore, the correct answer is option 2: -9.
To find the cube root of -729, you can follow these steps:
1. Take the absolute value of -729. The absolute value of -729 is 729.
2. Find the cube root of 729. The cube root of 729 is 9.
3. Since we took the absolute value in step 1, the cube root of -729 is -9.
Therefore, the answer is option 2: -9.
To find the cube root of -729, you can follow these steps:
Step 1: Identify the number that, when multiplied by itself three times (cubed), equals -729.
In this case, the number is -9, because (-9) * (-9) * (-9) = -729.
Step 2: Write down the result as the cube root of -729.
Therefore, the cube root of -729 is -9.
So, the correct answer is option 2: -9.