Question

check if the equation
$\sqrt{2x} - 6 + 1 = 0$
is a quadratic.​

Answer 1

Answer:

$\sqrt{2x} - 6 + 1 = 0 \\ \sqrt{2x} - 5 = 0 \\ \sqrt{2x} = 5 \\ 2x = {(5)}^{2} \\ 2x = 25 \\ 2x - 25 = 0$

Hence, the equation is not quadratic. It is a linear equation.

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