Question

Someone help? A function that can be written in the form f(x)=ax^2+bx+c , where a does not=0 is called a __________ function. Its graph is a shape called a __________.

Answer 1

quadratic; parabola

Answer 2

Even if a doesn't equal 0?

Answer 3

It says where a is not 0.

Answer 4

as long as there is an x^2 term, it is quadratic.

The following are all quadratic equations:

x^2 - 3x + 9 = 0
3x^2 - 8 = 0

2x^2 = 4x

Answer 5

Oh ok thanks for explaining, im working an a really long mid-term review right now