Question

The sum of 2 and the square of a number r

Answer 1

2+x^2
2 plus x to the second power, or x squared.

Answer 2

`2 + r^2`

Explanation:

The sum of 2 and the square of a number r

We need to write it in expression

The unknown number is 'r'

Square of unknown number is (number)^2

Square of a number 'r' is r^2

Sum means we add the numbers.

Sum of 2 and square of a number 'r' is
`2 + r^2`

So , the expression for the given statement is

`2 + r^2`