Question: Consider the quadratic function y = x^2 - 4x + 3. Using a graph, find the x-intercepts, vertex, and determine if it opens upward or downward.
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Question: What is the length of the altitude of a triangle if the base is 10 units and the corresponding height is 8 units?
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Math question: Given a right triangle with one leg measuring 15 units and the hypotenuse measuring 17 units, find the length of the other leg.