beginning of content:

SAT Subject Test

A number is increased by . If the cube root of that result equals, what is the

value of

### Select an Answer

Correct Answer:

No

Correct Answer:

No

Correct Answer:

Yes

Correct Answer:

No

Correct Answer:

No

### View Correct Answer

The correct answer is C.

One way to determine the value of is to create and solve an algebraic equation. The phrase “a number is increased by ” is represented by the expression , and the cube root of that result is equal to , so . Solving for gives , and so .

Alternatively, one can invert the operations that were done to . Apply the inverse of each operation, in the reverse order: First cube to get , and then decrease this value by to find that .

Question Difficulty:

easy