Question

WILL GIVE A MEDAL

Which of the following equations is quadratic?

A. x(x^2 + 1) = 0

B. 5(4x + 2) = 3

C. (x + 3)(x + 4) = 5

Answer 1

\[Ax ^{2}+Bx + C= 0\]
quadratic equation where highest exponent is 2

Answer 2

So would it be A.?

Answer 3

for first one what you get when you distribute bracket by x

Answer 4

what is \[x \times x ^{2} = ??\]