May 24, 2013 Thread starter #1 D delgeezee New member May 24, 2013 9 Linear equations do not have roots of variables. So why are a) and f) linear equations?

May 24, 2013 Admin #2 Jameson Administrator Staff member Jan 26, 2012 4,040 Hi delgeezee, Welcome to MHB! I agree that if (a) contains $-\sqrt{2x_3}$ then it isn't a linear equation. Perhaps it is a typo and it should be $-\sqrt{2} \hspace{1 mm} x_3$? Jameson

Hi delgeezee, Welcome to MHB! I agree that if (a) contains $-\sqrt{2x_3}$ then it isn't a linear equation. Perhaps it is a typo and it should be $-\sqrt{2} \hspace{1 mm} x_3$? Jameson