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<p>The quadratic</p> <p>«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»f«/mi»«mo»(«/mo»«mtext»x«/mtext»«mo»)«/mo»«mo»=«/mo»«mo»#«/mo»«mi»a«/mi»«msup»«mtext»x«/mtext»«mn»2«/mn»«/msup»«mtext»-«/mtext»«mo»#«/mo»«mi»b«/mi»«mtext»x«/mtext»«mo»+«/mo»«mo»#«/mo»«mi»c«/mi»«/math»</p> <p>has a {1:MC:=minimum~maximum} which is {1:SA:=#y}</p>
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<p>If a > 0, then there is a minimum y-value.</p> <p>If a <0, then there is a maximum y-value.</p> <p>Use «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»x«/mi»«mo»=«/mo»«mfrac»«mrow»«mo»-«/mo»«mi»b«/mi»«/mrow»«mrow»«mn»2«/mn»«mi»a«/mi»«/mrow»«/mfrac»«/math» to help begin finding the min/max and then find the y-value.</p>
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Wednesday, 28 October 2015, 11:54 AM
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