Question

Which of the following is a linear expression : *

a)x^2 +1
b)y+y^2
c)4
(d)1 +p​

Answer 1

Answer :-

[D] 1 + p

Explanation :-

In option (a) variable has a square it is like quadratic equation also same in option (b) it has also square and it have 2 variable, in that case we see the option (c) is only a numerical it didn't have any variable, because of that it also wrong. Now in the option (d) it have only one variable and no have any square or any thing.

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More to know :

⚫ General formula of quadratic equation : ax² + bx + c = 0