Unit 3 Quadratics Relations 1 Worksheet Page 18
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45Unit 3 Day 3: Exploring Vertex Form
MBF 3C
Description
Materials
TI83
Students will use technology to explore vertex form of a parabola
BLM3.3.1 –
BLM3.3.3
Assessment
Opportunities
Minds On…
Whole Class
Discussion
On overhead, show BLM 3.3.1 and discusses various aspects of the graph.
This may be best done using an overhead graphing calculator, with the
2
equation y = 0.5(x – 10)
– 15. This will help solidify different skills needed
for the worksheet later in the period (i.e. using TABLE command to get a
table of values, entering a equation into the calculator, graphing, etc)
Action!
Pairs
Explore
Complete the first page of BLM3.3.2 with the students. Students continue to
work through BLM 3.3.2 using the TI-83 graphing calculator or by hand.
Consolidate
Whole Class
Discussion
Debrief
Discuss from the exploration the key principals. Focus on the equation
2
y = a(x – h)
+ k and the meaning of the different variables.
Lead students through a study of parabolas and fill in a few blanks on the
table from BLM3.3.3.
Home Activity or Further Classroom Consolidation
Application
Students complete the remaining cells of the table on BLM3.3.3 and sketch a
Concept Practice
graph of any of the five quadratics from the table..
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