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# Chapter 2 Jeeparty Review

## on Nov 03, 2010

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## Chapter 2 Jeeparty ReviewPresentation Transcript

• FUNCTIONS
• 100 100 100 100 100 100 200 200 200 200 200 200 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Hip to Be Square Zeroing-in You’re Imagining Things Asymptotes Just Draw It Super-modeling
• Find the vertex, axis of symmetry, and x-intercepts of f(x) = 3(x – 2) 2 - 5 A 100
• Vertex (2, 5) Axis: x = 2 X-int: 2 5/3 A 100
• Find the vertex, axis of symmetry, and x-intercepts of f(x) = -4(x + 1) 2 - 3 A 200
• Vertex: (-1, -3) Axis: x = -1 No x-ints A 200
• Write the standard form of the quadratic with vertex (2, 3) that passes through (0, 2) A 300
• f(x) = -1/4(x – 2) 2 + 3 A 300
• Write the standard form of the quadratic with vertex (-1/4, 3/2) that passes through (-2, 0) A 400
• f(x) = -24/49(x + ¼) 2 + 3/2 A 400
• Write the equation in standard form, then find V, A, and x-ints. f(x) = 3 – x 2 – 4x A 500
• F(x) = -(x + 2) 2 + 7 V: (-2, 7) A: x = -2 X-int: -2 7 A 500
• Find the real zeros of – (x + 3) 3 - 8 B 100
• -8 B 100
• Find a polynomial with zeros of -2, 1, -1 B 200
• x 3 + 2x 2 – x - 2 B 200
• Find the zeros of 2x 3 + 11x 2 – 21x – 90 if one factor is x + 6 B 300
• -6, -5/2, -3 B 300
• Write a polynomial with zeros of 1, -4, -3 + 5i B 400
• f(x) = x 4 + 9x 3 + 48x 2 + 78x - 136 B 400
• Find the zeros of f(x) = x 4 + 10x 3 + 26x 2 + 10x + 25 B 500
• -5, -5, ± i B 500
• Write in standard form: - -12 + 3 C 100
• 3 – 2i 3 C 100
• Write the result in standard form: (1 + 6i)(5 – 2i) C 200
• 17 + 28i C 200
• Write in standard form: 6 + i i C 300
• 1 – 6i C 300
• Write in standard form: (4 – i) 2 – (4 + i) 2 C 400
• -16i C 400
• Write in standard form: 1 – 7i 2 + 3i C 500
• - 19 – 17i 13 C 500
• Find all holes and VA of: f(x) = x 2 – 5x + 4 x 2 - 1 D 100
• VA: x = -1 Hole at x = 1 D 100
• Find the holes and HA of: f(x) = x 2 – 3x – 8 x 2 - 4 D 200
• HA: y = 1 No holes D 200
• Find the holes, VA, and SA of: f(x) = 2x 3 + 3x 2 – 2x – 3 x 2 – 3x + 2 D 300
• VA: x = 2 SA: y = 2x + 9 Hole at x = 1 D 300
• Find the holes, VA, HA, SA, and intercepts of: f(x) = 2x 2 + 7x + 3 x + 1 D 400
• No holes VA at x = -1 No HA SA at y = 2x + 5 X-int: -1/2, -3 Y-int: 3 D 400
• Find the holes, VA, HA, SA, and intercepts of f(x) = 3x 2 + 13x - 10 2x 2 + 11x + 5 D 500
• Hole at x = -5 VA: x = -1/2 HA: y = 3/2 No SA x-int: 2/3 y-int: -2 D 500
• Graph f(x) = 2x – 1 x - 5 E 100
• E 100
• Graph f(x) = 2x x 2 + 4 E 200
• Correct Response E 200
• Graph f(x) = 2x – 10 x 2 – 2x - 15 E 300
• Correct Response E 300
• Graph f(x) = x 2 – x + 1 x - 3 E 400
• Correct Response E 400
• Graph f(x) = 2x 3 + x 2 - 8x – 4 x 2 – 3x + 2 E 500
• Correct Respons E 500
• The value which helps you determine how well a model fits data F 100
• r 2 F 100
• The table shows the price per capita consumption C (in pounds) of broccoli in the US . Create a scatter plot . F 200 Year Consumption 1999 6.2 2000 5.9 2001 5.4 2002 5.3 2003 5.7
• What is t F 200
• A cubic model for the broccoli problem is C = 0.0583t 3 – 1.796t 2 + 17.99t – 52.7 Graph this with the scatter plot. Is it a good fit? Explain. F 300
• What are ? F 300
• Give the quadratic model for the broccoli problem. Is it a good fit? F 400
• y = .129x 2 – 2.99x + 22.76 No; r 2 = .903 and it doesn’t fit the graph well F 400
• Use the better model to predict the broccoli consumption in 2010. F 500
• 5.9 (from the cubic model) F 500