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13. Identify the expressions that cannot be factored a) 4x² 12x +9 c) b) x² + 3x + 2 3x + 5 +² x² 100 1 d) 14. A rectangular enclosure has an area in square metres given by A(W2u² + 36 14 where w is the width of the rectangle in metres, Determine the width that would create a rectangular enclosure of 130 m². 5 m 13 m 10 m a) b) c) d) 7 m 15. Which of the following functions is equivalent -2(x - 5)² + 3? - 2x² - 5x + 3 - to f(x) = a) g(x) = = b) g(x) = c) g(x) d) g(x) = 2x² - 47 = x² 10x + 28 - 2x² + 20x - 47 - - 16. Which of the following expressions is a perfect square? a) 4x² - 9 b) 4x² + 37x + 9 c) 4x² + 12x + 9 d) 4x² + 36x + 9 4 17. Which are the correct zeros of f(x) = x² - x - 12? a) x = 4 and x = -3 b) x = and x and x = 3 c) x = -4 and x = 3 d) x = -4 and x = -3

13. Identify the expressions that cannot be factored a) 4x² 12x +9 c) b) x² + 3x + 2 3x + 5 +² x² 100 1 d) 14. A rectangular enclosure has an area in square metres given by A(W2u² + 36 14 where w is the width of the rectangle in metres, Determine the width that would create a rectangular enclosure of 130 m². 5 m 13 m 10 m a) b) c) d) 7 m 15. Which of the following functions is equivalent -2(x - 5)² + 3? - 2x² - 5x + 3 - to f(x) = a) g(x) = = b) g(x) = c) g(x) d) g(x) = 2x² - 47 = x² 10x + 28 - 2x² + 20x - 47 - - 16. Which of the following expressions is a perfect square? a) 4x² - 9 b) 4x² + 37x + 9 c) 4x² + 12x + 9 d) 4x² + 36x + 9 4 17. Which are the correct zeros of f(x) = x² - x - 12? a) x = 4 and x = -3 b) x = and x and x = 3 c) x = -4 and x = 3 d) x = -4 and x = -3

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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13. Identify the expressions that cannot be factored a) 4x² b) c) d) - - x² + 3x + 2 3x + 5 x² 100 - x² 12x + 9 14. A rectangular enclosure has an area in square metres given by A(W) = -2w² + 36w, where w is the width of the rectangle in metres. Determine the width that would create a rectangular enclosure of 130 m². 5 m 13 m 10 m a) b) c) d) 7 m 15. Which of the following functions is equivalent −2(x - 5)² + 3? - 2x² - 5x + 3 1 to f(x) = a) g(x) b) g(x) = x² - 10x + 28 c) g(x) = −2x² + 20x - 47 d) g(x) = 2x² - 47 = - 16. Which of the following expressions is a perfic square? a) 4x² - 9 b) 4x² + 37x + 9 c) 4x² + 12x + 9 d) 4x² + 36x + 9 17. Which are the correct zeros of f(x) = x² - x - 12? a) x = 4 and x = -3 4 and x = 3 b) x = c) x = -4 and x = 3 d) x = -4 and x = = -3
Transcribed Image Text:13. Identify the expressions that cannot be factored a) 4x² b) c) d) - - x² + 3x + 2 3x + 5 x² 100 - x² 12x + 9 14. A rectangular enclosure has an area in square metres given by A(W) = -2w² + 36w, where w is the width of the rectangle in metres. Determine the width that would create a rectangular enclosure of 130 m². 5 m 13 m 10 m a) b) c) d) 7 m 15. Which of the following functions is equivalent −2(x - 5)² + 3? - 2x² - 5x + 3 1 to f(x) = a) g(x) b) g(x) = x² - 10x + 28 c) g(x) = −2x² + 20x - 47 d) g(x) = 2x² - 47 = - 16. Which of the following expressions is a perfic square? a) 4x² - 9 b) 4x² + 37x + 9 c) 4x² + 12x + 9 d) 4x² + 36x + 9 17. Which are the correct zeros of f(x) = x² - x - 12? a) x = 4 and x = -3 4 and x = 3 b) x = c) x = -4 and x = 3 d) x = -4 and x = = -3
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