Pre-Calculus 11 Workbook - McGraw-Hill Ryerson

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$Math and Chemistry - McGraw-Hill Ryerson$

d) The x-intercept of indicates that if the price is increased by $ the studentcouncil will have no revenue. So, no sales at this price.e) The domain for this situation is , as 0 is the smallest possible priceincrease and 14 is the greatest possible price increase. The range isrevenue is positive and the maximum revenue is $5000., as& See pages 168–172 of Pre-Calculus 11 for more examples.16 MHR • Chapter 3 978-0-07-073882-9
Check Your UnderstandingPractise1. Which of the following functions are quadratic? Rewrite the quadratic functions in standardform.a) f(x) = –5(x + 2) 2 + 8b) f(x) = 3x 2 + 4x + 1c) f(x) = (8x + 11)(x – 5)d) f(x) = (3x – 7)(x – 4)(x + 1)2. For each graph, identify the following:• the coordinates of the vertex• the equation of the axis of symmetry• the x-intercepts and y-intercept• the maximum or minimum value and how it relates to the direction of opening• the domain and rangea)y42-4 -2 0 2 4-2x-4• The vertex is ( , ).• The x-coordinate of the vertex gives the equation of the axis ofsymmetry as x = .• The graph has a y-intercept of , and the x-intercepts are and.978-0-07-073882-9 Pre-Calculus 11 Workbook • MHR 17
Page 2 and 3: Table of ContentsOverviewChapter 1
Page 5 and 6: Chapter 33.1 Investigating Quadrati
Page 7 and 8: Plot the vertex and these two other
Page 9 and 10: Check Your UnderstandingPractise1.
Page 11 and 12: ) y = -4(x + 7) 2 + 2y8642-5 05-2x-
Page 13 and 14: ) y = x 2 is transformed to y = 2(x
Page 16 and 17: 3.2 Investigating Quadratic Functio
Page 18 and 19: The x-coordinate of the vertex is .
Page 22 and 23: • Since the graph opens downward,
Page 24 and 25: c) a quadratic function with its ve
Page 26 and 27: 8. Sketch the graph of a quadratic
Page 28 and 29: c) What does the vertex represent i
Page 30 and 31: 3.3 Completing the SquareKEY IDEAS
Page 32 and 33: ) Method 1: Use AlgebraTo verify th
Page 34 and 35: Check Your UnderstandingPractise1.
Page 36 and 37: c) y = 1__2 (x - 5)2 - 4 and y = 1_
Page 38 and 39: 10. An animal rescue society needs
Page 40 and 41: ) Determine the quadratic function
Page 42 and 43: Chapter 3 Skills OrganizerComplete
Page 44: Chapter 3 Study CheckUse the chart

Pre-Calculus 11 Workbook - McGraw-Hill Ryerson

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