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# Final Exam Review Ho 97

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### Final Exam Review Ho 97

1. 1. Final Exam Review Wednesday, June 24
2. 2. Write an algebraic expression for. . . <ul><li>One more than the number of aardvarks A </li></ul><ul><li>Seven less than the number of buffalos B </li></ul><ul><li>Three times the number of chickens C </li></ul><ul><li>Four more than the number of donkeys D </li></ul><ul><li>Twice the number of elephants E and flamingos F </li></ul><ul><li>Half the number of goats G </li></ul><ul><li>Triple the sum of horses H and iguanas I </li></ul><ul><li>Three quarters of the jellyfish J </li></ul>
3. 3. 5x + 3 = 18
4. 4. ¾ x + 3 = 6
5. 5. 8x - 3 = 5x + 6
6. 6. 4(2x – 3) = 28 – 2x
7. 7. .04x + .2 = .65 + .01x
8. 8. ⅔ x + 7 = (2/5)x + 11
9. 9. Find 3 consecutive odd integers whose sum is 51
10. 10. What percent of 60 is 20?
11. 11. What percent of 60 is 25?
12. 12. What number is 15% of 120?
13. 13. What percent of 52 is 13?
14. 14. What number is 7% of 82?
15. 15. What percent of 52 is 7?
16. 16. 7 is 10% of what number?
17. 17. 9 is 45% of what number?
18. 18. Find the total cost of a \$60 MP3 player if the tax is 5% <ul><li>Label and round to dollars and cents. </li></ul>
19. 19. Find the total cost of a \$60 MP3 player if the tax is 6.25% <ul><li>Label and round to dollars and cents. </li></ul>
20. 20. An iPhone that originally sold for \$600 is now on sale for \$250. What is the percent of the discount? <ul><li>Set up: </li></ul><ul><li>Equation & solution: </li></ul>
21. 21. Raytheon stock is selling for \$45. 3 months ago it was selling for \$35. What is the percent increase? <ul><li>Set up: </li></ul><ul><li>Equation & solution: </li></ul>
22. 22. The larger of 2 numbers is 4 times the smaller. The difference between the 2 numbers is 12. Find the numbers. <ul><li>Set up: </li></ul><ul><li>Equation & solution: </li></ul>
23. 23. Find 3 consecutive odd integers whose sum is -93. <ul><li>Set up: </li></ul><ul><li>Equation & solution: </li></ul>
24. 24. The width of a rectangle is 2 ft more than twice its length. The perimeter is 28 ft. Find the length and width. <ul><li>Set up: </li></ul><ul><li>Equation & solution: </li></ul>
25. 25. The perimeter of a triangle is 45 in. The first side is 5 in. shorter than twice the second side. The third side is 2 in. longer than the second side. Find the length of each side. <ul><li>Set up: </li></ul><ul><li>Equation & solution: </li></ul>
26. 26. One side of a triangle is 5 yd shorter than a second side. The remaining side is 3 yd longer than the second side. The perimeter is 52 yd. Find the length of each side. <ul><li>Set up: </li></ul><ul><li>Equation & solution: </li></ul>
27. 27. Determine the coordinates for the given points on the graph . http://education.yahoo.com/homework_help/math_help/problem?id=miniprealggt_10_1_1_2_90
28. 28. Find the slope, m, and the y-intercept, b <ul><li>5x – 8y = 16 </li></ul>
29. 29. Find the slope, m, and the y-intercept, b <ul><li>y = 4 </li></ul>
30. 30. Find the slope, m, and the y-intercept, b <ul><li>x = 4 </li></ul>
31. 31. Find the slope, m, and the y-intercept, b <ul><li>3x – 4y = 12 </li></ul>
32. 32. Find the slope, m, and the y-intercept, b <ul><li>2y – 4 = ⅔(x + 9) </li></ul>
33. 33. Find the slope, m, and the y-intercept, b <ul><li>y + 1 = -¾ (8x - 2) </li></ul>
34. 34. Find the slope of the line passing through the points (2,4) and (3,6)
35. 35. Find the slope of the line passing through the points (-3,5) and (2,8)
36. 36. Find the slope of the line passing through the points (4,-2) and (-4,2)
37. 37. Find the slope of the line passing through the points (-1,4) and (-1,5)
38. 38. Find the equation of the line passing through the points (2,3) and (6,8). Leave the equation in slope-intercept form.
39. 39. Find the equation of the line passing through the points (1,4) and (10,6). Leave the equation in slope-intercept form.
40. 40. Find the equation of the line passing through the points (-2,3) and (-2,-4). Leave the equation in slope-intercept form.
41. 41. Determine which points are on the line y = -3x + 4 <ul><li>4, -5 </li></ul><ul><li>0, 4 </li></ul><ul><li>-2, 1 </li></ul><ul><li>3, -5 </li></ul><ul><li>⅔ , 2 </li></ul>
42. 42. Determine whether the pairs of equations given are parallel, perpendicular, or neither. <ul><li>y = ¼x + 4 </li></ul><ul><li>y = -4x + 1 </li></ul><ul><li>y = ½ x + 3 </li></ul><ul><li>y = ½ x </li></ul><ul><li>y = x – 3 </li></ul><ul><li>y = -x + 5 </li></ul>
43. 43. Determine whether the pairs of equations given are parallel, perpendicular, or neither. <ul><li>y + 3x = -3 </li></ul><ul><li>y – 3x = 0 </li></ul><ul><li>2x + 3y = - 3 </li></ul><ul><li>3x – 2y = 6 </li></ul><ul><li>y – 3 = 0 </li></ul><ul><li>y = 8 </li></ul>
44. 44. Find the mean, median, mode & range for each set of data. <ul><li>18, 15, 12, 14, 16, 18 </li></ul>
45. 45. Find the mean, median, mode & range for each set of data. <ul><li>38.3, 36.2, 37.9, 36.2, 39.4 </li></ul>
46. 46. Use the box-and-whisker plot provided to answer each question. <ul><li>What is the range? </li></ul><ul><li>What is the median? </li></ul><ul><li>What percent of the data is represented by one whisker? </li></ul><ul><li>What percent of the data is represented by the left side of the box? </li></ul><ul><li>What is the third quartile? </li></ul><ul><li>What percent of the data is represented by the entire box? </li></ul>http://education.yahoo.com/homework_help/math_help/problem?id=mini6and7gt_9_1_1_7_80
47. 47. Use the box-and-whisker plot provided to answer each question. <ul><li>What is the range? </li></ul><ul><li>What is the median? </li></ul><ul><li>What percent of the data is represented by both whiskers? </li></ul><ul><li>What percent of the data is represented by the right side of the box? </li></ul><ul><li>What is the first quartile? </li></ul><ul><li>What percent of the data is represented by the entire box? </li></ul>http://www.hsc.csu.edu.au/maths/general/hsc/data_analysis/da5/da5_mc/DA5_quiz.htm
48. 48. Using the stem and plot, find the mean, median, and mode. Show work. http://academic.kellogg.edu/secristb/Math%20130%20Online/Course%20Notes/Session_3_Notes.htm Legend 1 | 9 = 19