April 27, 2015
Transcript of April 27, 2015
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Today:
Review Khan AcademyReview Quadratic Unit
Class Work 4.4 (Last for this Unit)
April 27, 2015
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Unreal Numbers in the Real World:
May 2nd, Las Vegas, Nevada:
Warm-Up Section of Notebook
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Khan Academy:
Because we did not review the topic, Graphing Parabolas in Standard Form, you have until tomorrow night to finish.
Graph paper, please.
Graph the following
x y-2-1012
1-1-115
What is the axis of symmetry?
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Khan Academy: This week
Two Topics Only:
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Khan Academy: This week
Name Change:
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Khan Academy: This week
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Today’s warm-up will review our current unit, quadratic equations & functions.
Warm-Up/Review:
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Write the equation represented by the graph:
Warm-Up/Review:
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Solve or write no solution
6x2 - 54 = 0 Solve by..........? Finding square roots
x = + 3
x2 - 108 = 0 x =Must factor out all perfect squares next.
x = ± 6
Warm-Up/Review:
x = -5 ± 3
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Warm-Up/Review:
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Solve or write no solution
Warm-Up/Review:
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Class Work 4.4: Show all Work!!
14. 2x2 – 2x = 6 18. 4x2 + 3x = 4x
19. x2 = 3x - 1