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Math1050 Ch04
Linear and Quadratic Functions
| Term | Definition |
|---|---|
| Functions in the form f(x)=mx+b are called ___ functions. | linear |
| Average rate of change of a linear function is ___ | change in y / change in x = m |
| If a linear function has a positive slope it is said to be ___. | increasing |
| If a linear function has a negative slope it is said to be ___. | decreasing |
| If a linear function has a horizontal or 0 slope it is said to be ___. | constant |
| Functions in the form f(x)=ax^2+bx+c are called ___ functions. | quadratic |
| For a quadratic function, ___=-b/2a | h |
| For a quadratic function, ___=4ac-b^2/4a | k |
| For a quadratic function, ___=f(-b/2a) | k, i.e., "What is y at h?" |
| For a quadratic function, if the discriminant b^2-4ac>0, the graph has ___ x-intercepts. | 2 |
| For a quadratic function, if the discriminant b^2-4ac=0, the graph has ___ x-intercepts. | 1 |
| For a quadratic function, if the discriminant b^2-4ac<0, the graph has ___ x-intercepts. | 0 |
Created by:
drjolley
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