Characteristics of a quadratic function

Quadratic functions explained.

The Standard Form of a Quadratic Equation equals:
ax^2 + bx + c =0
a,b,c are known values and can't be 0
x is a variable
The graph of a quadratic function forms a parabola, and can either be standard form or vertex form. This video identifies the parts of a Quadratic function and their characteristics.
Video Guide
0:21 What is the vertex ?
0:31 What is the axis of symmetry?
1:13 What is the domain and the range?
2:16 Explanation of interval increase and interval decrease
2:44 What is the rate of change?
3:55 What is the max and min?
4:10 How do you find the y intercept and the x intercept?
5:17 What is end behavior?

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[pbhello]

excellent! this is more advanced than what i'm learning now, but i'm glad to have this for a future reference. thank you!