You can use the vertex form of a quadratic function to model a real-world situation.
Nature The picture shows the jump of a dolphin. What quadratic function models the path of the dolphin's jump?
Think | Write |
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What is the vertex? | The vertex is (3, 7). h = 3, k = 7 |
Choose another point, (9, 4), from the path. Substitute in the vertex form. Solve for a. |
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Substitute in the vertex form. |
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