Question

Which of the following is a linear expression?

Options

• x² + 1

• y + y² 

• 4

• 1 + z

Answer 1

1 + z

Explanation:

We know that, the algebraic expression in one variable having the highest power of the variable as 1 is known as the linear expression.

Here, 1 + z is the only linear expression, as the power of the variable z is 1.