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Solving Quadratic Equations by Finding Square Roots.

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Presentation on theme: "Solving Quadratic Equations by Finding Square Roots."— Presentation transcript:

1 Solving Quadratic Equations by Finding Square Roots

2 Square Roots

3 Perfect Squares Perfect Squares: numbers whose square roots are integers. 1212 1 2 4 3232 9 4242 16 5252 25 6262 36 7272 49 8282 64 9292 81 10 2 100 11 2 121 12 2 144 13 2 169 14 2 196 15 2 225

4 Not Perfect Squares

5 Evaluating Square Roots

6 Evaluating a Radical Expression

7

8 Falling Object Model

9 An engineering student is in an “egg dropping contest.” The goal is to create a container for an egg so it can be dropped from a height of 32 feet without breaking the egg. To the nearest tenth of a second, about how long will it take for the egg’s container to hit the ground. Assume there is no air resistance. (h = 0 when it hits the ground)

10 An engineering student is in an “egg dropping contest.” The goal is to create a container for an egg so it can be dropped from a height of 64 feet without breaking the egg. To the nearest tenth of a second, about how long will it take for the egg’s container to hit the ground. Assume there is no air resistance.

11 Homework Page: 507 8-20 evens and 36, 38.


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