Question

which of the following is not a linear equation
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Answer 1

X^2 - 8 isn’t a linear expression

Answer 2

Answer:

option C

$x^{2} +8$

Step-by-step explanation:

A linear equation contains only first degree terms

since  equation  $y=x^2+8$   has 2nd dergree term $x^{2}$  

So this is not an linear equation