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15.y>-Vx+ 11 + 1, (-2, -1) x²-6 17.ys (-6, -9)

15.y>-Vx+ 11 + 1, (-2, -1) x²-6 17.ys (-6, -9)

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Applications and Problem Solving Real . World Cotion EXERCISES Page < 25 > of 78 Determine whether the ordered pair is a solution for the given inequality. Write yes or no. 13. y<x³4x² + 2, (1, 0) 14. y<lx-2+7, (3, 8) 16. y< -0.2x² + 9x - 7, (10, 63) 18. y ≥ 2 x 3-7, (0, 0) 15. y>-Vx+ 11 + 1, (−2, −1) x²-6 17.y≤ (-6, -9) 19. Which of the ordered pairs, (0, 0), (1, 4), (1, 1), (−1,0), and - (1, − 1), is a solution for y ≤ √x + 2? How can you use these results to determine if the graph at the right is correct? Graph each inequality. 20. y ≤ x² - 4 23.y > 2x + 3 26. y> -(0.4x)² 29. y ≥ (x - 1)² - 3 32. Sketch the graph of the inequality y ≥x³ - 6x² + 12x - 8. Solve each inequality. 33. x +4>5 36.15-x≤x O 21. y > V0.5x 24. y< (x - 5)² 27. y ≤ 3(x-4) 30. y = (2x + 1)³ + 2 34. 3x + 12 ≥ 42 37.|5x − 8/<0 T 2 39. Find all values of x that satisfy -x + 512-8. ZOOM H y≤√x+2 22. y<lx-91 25. y=-x³ 28. y< Vx+ 3 + 5 31. ys -3x - 2 + 4 35.7 -2xl-8 <3 38. 2x + 91-2x ≥ 0 40. Chemistry Katie and Wes worked together on a chemistry lab. They determined the quantity of the unknown in their sample to be 37.5 ± 1.2 grams. If the actual quantity of unknown is x, write their results as an absolute value inequality. Solve for x to find the range of possible values of x. 41. Critical Thinking Solve 3 x-7|<lx-11. 42. Critical Thinking Find the area of the region described by y ≥ 2x - 3| + 4 and x-2y = -20. 43. Education Amanda's teacher calculates grades using a weighted average. She counts homework as 10%, quizzes as 15%, projects as 20%, tests as 40%, and the final exam as 15% of the final grade. Going into the final, Amanda has scores of
Transcribed Image Text:Applications and Problem Solving Real . World Cotion EXERCISES Page < 25 > of 78 Determine whether the ordered pair is a solution for the given inequality. Write yes or no. 13. y<x³4x² + 2, (1, 0) 14. y<lx-2+7, (3, 8) 16. y< -0.2x² + 9x - 7, (10, 63) 18. y ≥ 2 x 3-7, (0, 0) 15. y>-Vx+ 11 + 1, (−2, −1) x²-6 17.y≤ (-6, -9) 19. Which of the ordered pairs, (0, 0), (1, 4), (1, 1), (−1,0), and - (1, − 1), is a solution for y ≤ √x + 2? How can you use these results to determine if the graph at the right is correct? Graph each inequality. 20. y ≤ x² - 4 23.y > 2x + 3 26. y> -(0.4x)² 29. y ≥ (x - 1)² - 3 32. Sketch the graph of the inequality y ≥x³ - 6x² + 12x - 8. Solve each inequality. 33. x +4>5 36.15-x≤x O 21. y > V0.5x 24. y< (x - 5)² 27. y ≤ 3(x-4) 30. y = (2x + 1)³ + 2 34. 3x + 12 ≥ 42 37.|5x − 8/<0 T 2 39. Find all values of x that satisfy -x + 512-8. ZOOM H y≤√x+2 22. y<lx-91 25. y=-x³ 28. y< Vx+ 3 + 5 31. ys -3x - 2 + 4 35.7 -2xl-8 <3 38. 2x + 91-2x ≥ 0 40. Chemistry Katie and Wes worked together on a chemistry lab. They determined the quantity of the unknown in their sample to be 37.5 ± 1.2 grams. If the actual quantity of unknown is x, write their results as an absolute value inequality. Solve for x to find the range of possible values of x. 41. Critical Thinking Solve 3 x-7|<lx-11. 42. Critical Thinking Find the area of the region described by y ≥ 2x - 3| + 4 and x-2y = -20. 43. Education Amanda's teacher calculates grades using a weighted average. She counts homework as 10%, quizzes as 15%, projects as 20%, tests as 40%, and the final exam as 15% of the final grade. Going into the final, Amanda has scores of
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