Transcription of Graphing Parabolas with Excel - Clausen Tech
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Graphing Parabolas with Excel - Clausen Tech
Page 1 Graphing Parabolas With Microsoft Excel Mr. Clausen Algebra 2 California State Standard for Algebra 2 # : Students graph quadratic functions and determine the maxima, minima, and zeros of the function. STEP 1 Create A Table Of Points Save your Excel file as LASTNAME FIRSTNAME Parabolas , and save this in your S: network directory.
1. Look at the “y” values in your spreadsheet. Notice that when x = -2, y = 1.5 and when x = -1, y = -1. Since y moves from positive 1.5 to a negative 1, the graph must cross the x-axis to do this. This means that the graph crosses the x-axis between –2 and –1 and one of our zeros, roots or solutions is located in this interval.
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