Question

Question 9

In the following question out of the four options only one is correct, write the correct answer.

Which of the following is a linear expression?

(a) $x^2+1$

(b) $y+y^2$

(c) 4

(d) 1 + z

Answer 1

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.