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Write the point-slope form of a line.

Write the point-slope form of a line. y = y 1 + b (x - x 1 ). Find a line that is perpendicular to 4x - 5y = 20 that goes through the point (6, 15). y = -1.25x + 22.5. Find explicit formulas for the sequences u 0 = 26 u n = u n-1 + 16 t 1 = -15 t n = t n-1 - 3. u n = 26 + 16n

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Write the point-slope form of a line.

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  1. Write the point-slope form of a line.

  2. y = y1 + b (x - x1)

  3. Find a line that is perpendicular to 4x - 5y = 20 that goes through the point (6, 15).

  4. y = -1.25x + 22.5

  5. Find explicit formulas for the sequences u0 = 26 un = un-1 + 16 t1 = -15 tn = tn-1 - 3

  6. un = 26 + 16n tn = -12 - 3n

  7. What is true about the equations for two lines that are parallel?

  8. Same Slope

  9. Where do forest fires travel faster? uphill downhill doesn't matter

  10. uphill

  11. Write an equation for a vertical line through the point (6, -4).

  12. x = 6

  13. Find an equation for a line one-third of the way from y = -1.8x + 74.1 and y = -1.8x + 70.5.

  14. y = -1.8x + 72.9

  15. Find the for a line that has slope -7 and an x-intercept of 6.

  16. y = -7x + 42

  17. Explain the concept of interpolation.

  18. Use a line of fit to estimate a value when the value is within the given data.

  19. What sport is the most common cause of eye injuries in the U.S.?

  20. baseball

  21. s = 7 - 3n 7n + 2s = 40

  22. (26, -71)

  23. Find the median median line for the data and predict the price in 2010.

  24. y = 0.027x - 51.78 1.74

  25. Find the root mean square error for the median-median line.

  26. .222

  27. When you try to solve a system with no solution, what will happen?

  28. You will get a statement that is untrue

  29. Unlike most other fish, sharks have no ______?

  30. Bones

  31. Name 4 ways to solve a system.

  32. Table Graphing Substitution Elimination

  33. Solve the system 3x + 4y = 12 2x - 6y = 5

  34. (46/13, 9/26) (3.539, 0.346)

  35. Alyse earns $15.40 per hour, and she earns time and a half for working pask 8:00 P.M. Last week she worked 35 hours and earned $600.60. How many hours did she work past 8:00 P.M.?

  36. 27 regular 8 after 8:00 P.M.

  37. 2x + y - z = 2 3x + 2y + 3z = 17 5x - y + 2z = 15

  38. (2, 1, 3)

  39. What president was once offered a contract with the Cincinnati Reds

  40. William H. Taft

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