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MFM 2P Lesson 4: Graphing and Surface Area Learning Goals: I can sketch the graph of a parabola I can determine the surface area of prisms and cylinders

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STANDARD FORMFACTORED FORM Looks like… Examples Tells us about… MFM 2P

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In y = (x – 4)(x + 5), Why are 4 and -5 the zeros? MFM 2P Lesson 3: Factored and Standard Form Equations

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What are the zeros for y = (x + 5)(x – 1)? MFM 2P Lesson 3: Factored and Standard Form Equations

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What are the zeros for y = (3x - 8)(x + 2)? MFM 2P Lesson 3: Factored and Standard Form Equations

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Standard Form vs. Factored Form In the next unit, we’ll learn how to change from one form into the other. Factored Form like y = 3(x + 2)(x + 4) Factored Form like y = 3(x + 2)(x + 4) Standard Form like y = 3x 2 + 18x + 24 Standard Form like y = 3x 2 + 18x + 24 EXPAND FACTOR × ÷ MFM 2P

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Sketch the parabola that has the following factored form and standard form equations: y = x 2 + 6x + 8 y = (x + 2)(x + 4)

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MFM 2P Lesson 4: Graphing and Surface Area

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MFM 2P Lesson 4: Graphing and Surface Area Determine the surface area.

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MFM 2P Lesson 4: Graphing and Surface Area How do you find the area of a triangle? 6 cm

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MFM 2P Lesson 4: Graphing and Surface Area Determine the surface area. Assume all measurements are in cm.

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