Cubed Roots

Tyler from tarveracademy.com presents a math tutorial on solving the equation x cubed equals 729 and finding x squared plus radical x. He encourages viewers to pause and attempt solving the problem themselves. Tyler demonstrates how to find the cube root of 729 to determine x, and then uses this value to solve the full equation, resulting in the answer 84.

What is the first step in solving the problem where x cubed equals 729?

• Find the cube root of 729.

• Divide 729 by 3.

• Calculate x squared directly.

• Multiply 729 by 3.

Which number, when cubed, equals 729?

• 10

• 8

• 11

• 9

After finding x, what is the next step to solve x squared plus the square root of x?

• Substitute x into the expression.

• Subtract x from itself.

• Multiply x by 2.

• Add x to itself.

What is the value of 9 squared?

• 72

• 81

• 90

• 99

What is the square root of 9?

• 4

• 5

• 3

• 2