Question

(2) Which one of the following is not a quadratic equation ?
(A) x = 6x
(B) x²- 6x = 30
(C) x²=10
(D) x²+ 6√x = 10​

Answer 1

Step-by-step explanation:

the answer is A

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Answer 2

Answer:

option A.

Step-by-step explanation:

all other equations (except option A) have 2 as their highest degree.

a quadratic equation is defined as a equation whose highest power is 2 and general form is

" ax^2 + bx + c " .

so option A is the correct answer for this question as it is the only equation whose highest degree is 1 not 2 .