Unit 2 – Quadratic, Polynomial, and Radical Equations and Inequalities. Chapter 5 – Quadratic Functions and Inequalities 5.2 – Solving Quadratic Equations by Graphing. 5.2 – Solving Quadratic Equations by Graphing. Quadratic equation – when a quadratic function is set to a value
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Chapter 5 – Quadratic Functions and Inequalities
5.2 – Solving Quadratic Equations by Graphing
Example 5 (cont.)
The highest bridge in the U.S. is the Royal Gorge Bridge in Colorado. The deck is 1053 feet above the river. Suppose a marble is dropped over the railing from a height of 3 feet above the bridge deck. How long will it take the marble to reach the surface of the water, assuming there is no air resistance? Use the formula h(t) = -16t2 + h0, where t is time in seconds and h0 is the initial height above the water in feet.
#15 – 29 odd, 30 – 31, 44 – 45