Algebra/Unit 4 Quiz 1/Objective 1-2 c Minimum or Maximum Standard 4 The quadratic

«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»«mo»+«/mo»«mo»#«/mo»«mi»b«/mi»«mtext»x-«/mtext»«mo»#«/mo»«mi»c«/mi»«/math»

has a {#1} which is {#2}

]]> If a > 0, then there is a minimum y-value.

If a <0, then there is a maximum y-value.

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.

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