Question

Which equation is quadratic in form?

Answer 1

A quadratic equation is written in the form  $ax^{2} + bx + c = 0$

Looking at the second, third, and fourth options, we see that the highest powers are greater than two, which automatically disqualifies them from being quadratics (since the highest power in a quadratic is 2).

This makes the first option the correct choice since the expansion of the equation gives $2x^{2} + 28x + 61$

Answer 2

Answer:

a

Step-by-step explanation: