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1. Quadratic Functions Taylor H. Asia J. Period 1 :)

2. Definition ; • Quadratic function; a function that can be described by an equation of a form f(x)=ax^2+bx+c

3. Examples; • f(x) = -2x2 + x - 1 • f(x) = x2 + 3x + 2 • f(x) = x2 + 2x - 3 • g(x) = 4x2 - x + 1 • h(x) = -x2 + 4x + 4

4. Quadratic equations not only described the orbits along which the planets moved round the Sun, but also gave a way to observe them more closely. Real World Examples

5. Building a 72-story skyscraper like Trump Tower in New York City is no easy feat. That’s where structural engineers like Ysrael Seinuk come in. This movie explains how shapes are at the foundation of structural engineering Real World Examples 2

6. The science of optics teaches us how to make "bigger eyes", and if you want to look at something very far away, or very faint, you're going to need a really huge eye--such as the one used at Kitt Peak by astronomers studying distant galaxies Real World Examples 3

7. Nature Examples

9. Nature Examples

10. Graphs Of Functions

11. Graphs Of Functions