Question

Represent the following sentence as an algebraic expression, where "a number" is the letter x. You do not need to simplify.

3 minus the square of a number.

Answer 1

Answer: 3- x²

Explanation:

1. Find the number you do know and what it's doing:

3 -

2. Look for the unknown in the problem and what it's doing:

x²

3. Put it all together:

3-x²