Checking Analytic Skills For each quadratic function defined in Exercises 25-33, (a) use the vertex formula to find the coordinates of the vertex and (b) graph the function. Do not use a calculator. 25. P(x) = x² - 10x + 21 26. P(x) = x² - 2x + 3 27. y = -x² 30. P(x) = 2x 28. y = -x² + 2x + 1 29. P(x) = 2x² - 4x + 5 31. P(x) = -3x² + 24x - 46 32. P(x) = -2x² - 6x - 5 34. Concept Check For f(x) = dx² - dx + k, d = 0, find the x-coordinate of the vertex. 33. P(x) = 2x

Checking Analytic Skills For each quadratic function defined in Exercises 25-33, (a) use the vertex formula to find the coordinates of the vertex and (b) graph the function. Do not use a calculator. 25. P(x) = x² - 10x + 21 26. P(x) = x² - 2x + 3 27. y = -x² 30. P(x) = 2x 28. y = -x² + 2x + 1 29. P(x) = 2x² - 4x + 5 31. P(x) = -3x² + 24x - 46 32. P(x) = -2x² - 6x - 5 34. Concept Check For f(x) = dx² - dx + k, d = 0, find the x-coordinate of the vertex. 33. P(x) = 2x

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter8: Graphing Quadratic Functions

Section: Chapter Questions

Problem 5CA

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