Question

From the following equations,which one is the quadratic equation​

Answer 1

Answer:

A quadratic equation is that which is in the form of ax^2(ax square) + bx+ c,where a is not equal to zero.

for example,4x^2(4x square)+2x+12 is an quadratic equation where a=4,b=2,c=12 and here a is not equal to zero