Question

2) Which of the following is a quadratic equations
​

Answer 1

Answer:

a2 +b+6 is a quadratic

b2+4ac

Answer 2

In algebra, a quadratic equation is any equation that can be rearranged in standard form as ax^{2}+bx+c=0 where x represents an unknown, and a, b, and c represent known numbers, where a ≠ 0. If a = 0, then the equation is linear, not quadratic, as there is no ax^2 term.

HOPE IT HELPS...

HAVE A GREAT DAY...