Answer:![x^{2}](https://tex.z-dn.net/?f=x%5E%7B2%7D)
Step-by-step explanation:
The highest degree is ![x^{2}](https://tex.z-dn.net/?f=x%5E%7B2%7D)
quadratic equations are usually in this form:
+bx +c =0 (the signs may be positive or negative depending on the question given)
You plug in 3 for n
so...
3*3-1=8
C is the correct answer. using the equation (y-y1)=m(x-x1)