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9.2 and 9.3 WorksheetAnswers
9.2 Practice B
1. -6 and 1 2. no zeros 3. 5
4. x = 3.5 5. x = 3 6. x = -1
7. x = 1 8. x = 2
10. (1, -5) 11. (-2, -22_
Page 2
1. Yes. The vertex is (6.25, 625). The superhero will reach a maximum height of 625, which is greater than 612.
2. zeros are 0 and 50; the axis of symmetry is x = 25
3. vertex is (50, 30)
Page 3
4. 40 inches 5. 48 inches 6. zeros are 0 and 80
7. (40, 48) 8. D