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Linear Equation in One Variable

Question 9In ...

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

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Solution

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.

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