Quadratic Functions In Vertex Form Worksheet - Math 2200 Unit 2 Page 4
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30Unit 2 – Quadratics
Math 2200
4
3. What happens when a = 0? Explain why this happens.
When a = 0, _____________________________________________________________.
4. What happens to the graph, when the “a” value is a negative number?
When the a-value is negative, _______________________________________________.
5. What happens to the direction of opening of the quadratic if:
a
0
a.
The graph opens __________________
a
0
b.
The graph opens __________________
6. What effect does varying a have on the vertex? _________________________________
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y
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2x
7. Sketch a graph of:
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x
2x
y
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x
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y
y
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8. Write a conclusion about the effect the parameter “a” has on the graph of a quadratic
function.
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