Unit 3 Quadratics Relations 1 Worksheet Page 26
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45Unit 3 Day 4: Graphing Parabolas Using Vertex Form
MBF 3C
Description
Materials
BLM 2.4.1 to BLM
Students will use the vertex form of a quadratic relation to graph
2.4.3
Assessment
Opportunities
Minds On…
Whole Class → Discussion
2
Using the parabola y = 2(x – 3)
+ 4 written on the board…
Ask
1) What kind of relationship is it? [Quadratic]
2) How do we know it’s quadratic?
2
[(1) equation has an x
in it, (2) second differences are the same
(demonstrate with a table of values) and (3) the graph is a parabola]
3) What’s the vertex, direction of opening and step pattern?
Allude to the fact that before we graphed a parabola using just a general
shape, but now that we have the step pattern we can graph the parabola
EXACTLY!
Action!
Partners → Practice
In partners, students work on BLM 3.4.1 and practice identifying information
from vertex form, as well as graphing the parabola. They work separately on
each parabola, then share solutions
Whole Class → Discussion
Take up BLM 3.4.1 on overhead
Individual Work →Application
Consolidate
Debrief
Using the concept of vertex form, students work on BLM 3.4.2 which uses
vertex form in an application setting.
Home Activity or Further Classroom Consolidation
Students complete BLM3.4.3.
Concept Practice
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