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5.6 Ch. 5 Review.notebook
2014 11 12
November 12, 2014
Ch. 5 Review
What information do I need about the graph of a quadratic
relation to write its equation in vertex form?
vertex at ﴾1, 5﴿, passes through ﴾3, 3﴿
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5.6 Ch. 5 Review.notebook
November 12, 2014
What kinds of problems can you solve using the vertex
form of a quadratic relation?
y = 2x2 ‐ 8x ‐ 64
i﴿ write the equation in factored form
ii﴿ determine the coordinates of the vertex
iii﴿ write the equation in vertex form
iv﴿ sketch the graph
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5.6 Ch. 5 Review.notebook
November 12, 2014
How do you convert from Vertex form to Standard form?
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5.6 Ch. 5 Review.notebook
November 12, 2014
How do you we use the vertex form of a quadratic to describe the transformations the base curve, y = x2, has undergone?
y = a(x‐h)2 + k
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5.6 Ch. 5 Review.notebook
November 12, 2014
Number of zeros
y=a (x-h)2 + k
Review Questions:
pp. 304-305 #3-6, 8d, 9a, 11a-c, 14a
Practice Test: p. 306 #1, 2b, 3b, 5
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5.6 Ch. 5 Review.notebook
November 12, 2014
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5.6 Ch. 5 Review.notebook
5.5 # 16
November 12, 2014
The underside of a bridge forms a parabolic arch. The arch has a
maximum height of 30 m and a width of 50 m. Can a sailboat pass
under the bridge, 8 m from the axis of symmetry, if the top of its mast is 27 m above the water? Justify your solution.
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