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Notes 5.4 (Day 3) Factoring ax2 + bx + c
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How to findthe minimum or the maximum value of a function:
Step 1: Find the vertex starting with the x-coordinate. ( , or depending on which form the quadratic is in. Step 2: Plug the x-coordinate into the equation to find the y-coordinate of the vertex. Step 3: Look at the a value. If it is positive, the graph holds water and is a minimum. If it is negative, the graph spills water and is a maximum.
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Find the minimum or the maximum value of the function.
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Find the minimum or the maximum value of the function.
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Homework: p
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