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Published byJeffry Perkins Modified over 4 years ago

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The Quadratic Formula Chapter 8.6

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The Quadratic Formula If, then

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Factor x 2 + 8 x + 7 = 0

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Factor x 2 + 11 x + 18 = 0

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Factor x 2 - 4 x = 4

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Factor x 2 - 6 x = 8

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Solve 4 x 2 + 12 x + 9 = 0

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Solve 3 x 2 - 7 x = -2

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Solve 3 x 2 = 15 x + 18

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A diver jumps from a platform which is 10 m above the water. Her height h in meters above the water t seconds after she jumps is modeled by the equation h = -4.9t 2 + 3.5t + 10.8. About how long will it take her to reach the water?

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A diver jumps from a platform which is 10 m above the water. Her height h in meters above the water t seconds after she jumps is modeled by the equation h = -4.9t 2 + 3.5t + 10.8. About how long will it take the ball to reach the ground?

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Homework

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