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Algebra 1
Mid-Term Exam Review
This is your mid-term exam review. The questions that you see here are the type
of questions you will see next week on your mid-term exam. Feel free to use your
book and help each other out, but remember that you won’t get to use anything on
the mid-term next week. Follow the directions for each question and show all of
your work on a separate sheet of paper. This exam review is due on the day of
your exam and will count as a 15% of your exam grade! Good luck!
1. Simplify: 6 2
2. Simplify:
62
3. Simplify: 5 3
4. Mr. and Mrs. Phillips are going to build a new home with a foundation that is in
the shape of a square. The house will cover 222 square yards. Find the length
of the side of the house to the nearest tenth of a yard.
5. Simplify:
7. Simplify:
400
6 2 3 9 7 2
6. Simplify:
9
8. Simplify: 50 10 2
9. Simplify: 3 4 10 2 1
10. Simplify: 12x 8x 4 7 x
11. Simplify: 5x 3 7 x
12. Simplify: 5 x 2 2 x 3x 2
13. Solve for x: 3x 3 18
14. Solve for a: 15
15. Solve for h: 6h 7 17
16. Solve for p: 17 3 p 5 8
17. Solve for x: 17 x 3x 1
18. Solve for a: 7a 17 4a 1
19. Solve for c: 3c 5 2c 5
20. Solve for x: 2x 4 3x 2
21. Solve for y: 6 y 8 9 6 y
22. Solve for x: 6 2x 1 4x 8 6x 3
23. Solve for y: 4 y 3x 5
24. Solve for s: 2 4r s
25. Solve for x:
3 1
x 8
26. Solve for f:
a
2
3
f 3 7
12
2
27. Solve for x:
x 1 x 1
3
5
28. Solve for y:
3
16
2y y 2
29. Roger is 5 ft tall and casts a shadow that is 3.5 ft long. At the same time, the
flagpole outside his school casts a shadow that is 14 ft long. Write and solve a
proportion to find the height of the flagpole.
30. A tower casts a 450 ft shadow at the same time that a 4 ft child casts a 6 ft
shadow. Write and solve a proportion to find the height of the tower.
31. 40 is what percent of 25?
32. 57 is what percent of 30?
33. 16 is 10% of what number?
34. 16% of what number is 94?
35. A sales representative earns a 2.5% commission on sales. Find the commission
earned when the total sales are $80,700.
36. Joe earns $150 per week plus 12% commission on sales. Pete earns $200 per
week plus 8% commission on sales. Last week, both had sales of $1500. Who
earned more money?
37. Solve and graph on a number line: 3 5 2x
38. Solve and graph on a number line: 4x 3 24
39. Solve and graph on a number line: x 5 2
40. Solve for x: 2x 4x 6
41. Solve for x: 54 x 32 x
42. Solve for k: 2k 7 2k 14
43. How do you know if a relation is a function?
44. Is {(6,2), (-1,2), (-3,2), (-5,2)} a function?
45. Is {(-5,26), (5,0), (10,11), (-5,36)} a function?
46. Write a rule in function notation: Steven buys lettuce that costs $1.69/lb.
47. An amusement park charges a $6.00 parking fee plus $29.99 per person.
Write a rule in function notation, and find the total cost for 4 people parking
together to go to the amusement park.
For #48-50, identify whether the correlation would be positive, negative, or no
correlation.
48. The temperature in Houston and the number of cars sold in Boston.
49. The number of members in a family and the size of their grocery bill.
50. The number of times you sharpen your pencil and the length of your pencil.
51. Find the x and y-intercepts of 3x 5 y 30 .
52. Find the x and y-intercepts of 4 x 2 y 16 .
53. Draw a line with slope of
2
.
3
For #54-57, find the slope of the line with the given information.
54. the line contains the points (-2,3) and (5,6).
55. a horizontal line
56. a vertical line
57. the line contains the points (2,7) and (4,4)
58. The value of y varies directly with x, and y 6 when x 12 . Find y when x 27 .
59. Write the equation of the line in slope-intercept form: 6 x 3 y 12
60. Write the equation of the line in slope-intercept form: 4 x y 9
61. Graph y 12 x 2 .
62. Graph y 3 x 1 .
63. Graph y x 4 .
For #64-65, write an equation of the line in point-slope form with the given slope
and point that it passes through.
64. slope of 5, passes through (1,4)
65. slope of
2
, passes through (6,4)
3
For #66-67, write an equation in slope-intercept form with the given information.
66. slope of
1
, passes through (6,4)
2
67. passes through the points (-1,2) and (4, -23)
For #68-70, tell whether the following lines are parallel, perpendicular, or neither.
68. y 56 x 8 ; y 56 x 4
69. x 6 y 15 ; y 6 x 8
70. y 9 3x 1 ; y 0
For #71-72, find the equation of the line in slope-intercept form.
71. parallel to y 12 x 4 and has a y-intercept of 6
72. perpendicular to y 12 x 4 and has a y-intercept of -3
73. Graph both the original equation and the perpendicular equation from #72.
For #74-76, solve the systems and write your answer as a point!
y x 3
74.
y 2 x 12
4 x y 1
75.
2 x y 5
2 x y 3
76.
x 3 y 12