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Math Homework Answers: Equations, Graphs, and Angles Explained

Solve equations, graph lines, find angles, and understand math concepts with explanations for homework questions 9-11, 19-25, 35-37, 44-46. Learn how to graph equations, identify parallel and perpendicular lines, and calculate angles. Includes examples and a quiz review.

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Math Homework Answers: Equations, Graphs, and Angles Explained

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  1. Homework Answers 2-4 #9-11,19-25,35-37,44-46 • 9. a. -1/550x + 212 b. Ask if needed c. 192 degrees 10. y = 3x + 9 11. y = -9/5x – 4 19. a. F = 4/9T – 64/3 b. Ask if needed c. 104.25 degrees d. About -5.8 times; no 20. y = -1/5x + 17/5 21. y = -1/3x + 3 22. a. s = 4L – 32.5; 5.5 b. 3 23. neither 24. perpendicular 25. parallel 35. y = 1/6x + 4/3 36. y = -2 37. y = -3x-8 44. C 45. G 46. B

  2. 2-5 examples 1 and 2 Graph -4y < 4(3x-5) Hint: Solve for y first – put in mx+b (slope-intercept) form. Graph 2x + 3y ≥ 6 using intercepts.

  3. Quiz Review • Graph x = -2 and y = 4 • How many km is 3000 mm?

  4. To Do: • 2-5 #2-8,14-18,22-33 • Quiz and lab make-ups ASAP

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