Which of the following are linear equations ? a) x - 2y = 76 b) x + 78 – InterviewSolution

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Which of the following are linear equations ? a) x - 2y = 76 b) x + 78y = 98 c) x2+2x−5=0 d) x2+2x+2=0

Answer»

Which of the following are linear equations ?

a) x - 2y = 76

b) x + 78y = 98

c) $x^{2} + 2 x - 5 = 0$

d) $x^{2} + 2 x + 2 = 0$

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