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Algebra I H Semester One Review a pam production packet 1. Evaluate for x 3, y 4 a. 7 x 2 3 y 8 b. 4 x 24 xy c. 5 x 2 2 y 1 4 x2 x y 3( x y )( x 2) e. 6 x 5. Solve for x. (all variables represent nonzero numbers.) A. 2 x 2 y 8 2x B. ph y 3 C. 3 x a y d. 2. Simplify: a. 2( x 3 y ) x b. 4(3 x y ) 2(5 x 6 y ) c. xxx y y 3 2 3. For x 2(3)(r s) for r 1, s 4 , 6. Match… A. B. C. D. Reals less than four Reals less than or equal to four. Integers less than four. Integers less than or equal to four. E. Integers x such that |x|=4 a. 1 choose the correct comparison. a. x 0 b. x 0 2 1 b. 2 3 3 4 4 c. x 0 d. Cannot be determined 4. Name the property for each example. d. A. x( y z ) xy xz B. x( y z ) x( z y ) -4 c. e. 4 1 2 3 1 2 3 4 C. x( y z ) ( y z ) x D. x ( y z ) ( x y ) z E. 4 4 0 89 1 98 8 8 G. 1 9 9 F. revised 05-06 Page 1 of 7 Algebra I H Semester One Review a pam production packet 7. For each number, tell if it is rational or irrational. 4 5 B. 0.3 A. C. D. 2 E. 0.12532 9. Solve and choose the solution: 5(3x 4) 3 6 x 7 3 10 14 C. x 9 A. x 10 3 9 D. x 14 B. x 10. Translate each sentence into an algebraic sentence. F . 0.589589589... 8. Solve each equation. A. 2 x 4 90 A. Twice the sum of two numbers, x and y, is 70. B. Half the difference of two numbers, x and y, is 2. x 9 3 8 C. x 72 9 x D. 4 8 2 C. The cost C is four less than twice the size S of the item. E. 25 8 2 x E. Five times the difference of x and y, divided by the product of x and y, is 2. B. F . 4 x 6 x 9( x 4) 2 G. 10 x (2 8 x) 4 5(3 9 x) D. Twice the sum of the rent R and the monthly cost of water W is equal to forty. F. The quotient of 4 and the sum of x and y is 10. H . 3( x 7) 9(4 x 5) I . 4 x 7 14 8 x J . 2(5 x 7) 2 10 x K. 3 x 12 6 8 11. Absolute Value! A. | 12 14 | | 8 | B. 6 | 3 9 | 12. Choose the algebraic expression for revised 05-06 Page 2 of 7 Algebra I H Semester One Review a pam production packet each verbal expression. (See the choices below.) MATCHING: equation: (Choices are below) A. Her salary is one dollar more than twice John’s salary. B. John’s salary is twice hers plus $1. C. Twice John’s salary is the same as her salary plus one. D. Twice her salary is the same as John’s salary plus $1. A. Four more than twice a number. B. Four less than twice a number. C. Twice the sum of a number and four. D. Twice the difference of a number and four. E. The product of twice a number and four. Choices: 1. 2H=J+1 2. H=2J+1 3. 2J=H+1 4. J=2H+1 F. The sum of twice a number and four. Choices: 1. 2x 4 2. 2( x 4) 3. 2( x 4) 4. 4 2x 5. 2x 4 6. 2x 4 7. (2 x)( 4) 8. 2x 4 13. Tell the order of operations to use: 16. Tell the order of operations needed to evaluate: 4 3 5 2 . A. Add, Subtract, Multiply B. Subtract, Add, Multiply C. Multiply, Add, Subtract D. Multiply, Subtract, Add 3 5 2 32 2 A. Square, Multiply, Divide, Subtract, Add B. Square, Multiply, Divide, Add, Subtract C. Add, Subtract, Multiply, Divide, Square D. Subtract, Multiply, Add, Square, Divide 17. Can you distribute? A. Write without parentheses 3(6 x 5 y ) B. Solve: 2d 5(d 10) 34 14. Which expression represents the following sentence: Two pounds of nuts which cost x dollars a pound, and four pounds of chocolates which cost $3 a pound costs $20. C. Simplify: 3( x 4) ( x 6) 2( x 1) D. Solve: (3 x) (4 x) 10 11 2 3 c. 2 a. A. 2x + 3(20) = 4 B. 2(x+4) = 20 C. 2x+4(3)=20 D. 2(x+12)= 20 15. Match the statement with the revised 05-06 b. 3 2 d. no solution 2 3 E. (6 x 12) 10 18. Factor each expression. Page 3 of 7 Algebra I H Semester One Review a pam production packet A. x 2 81 A. 7 x B. 9 x 2 25 B. 3xy z (2 xyz ) ______________ C. 2 8x2 C. 19. Factor: A. B. C. D. 4 xy 2 x 5 y xy ____________ 2 x 2 18 ___________________ 4 x 2 y 8 xy 2 2 _____________ x 2 3x 28 _______________ D. E. 2 yz 6 2 xy 3 z ______________ 2 5 3 12 xy 3 z 9 x 2 yz 2 ______________ 8 x3 x 2 12 xy3 y 4 6x x 2 3 0 _____________ ____________ 3 5x2 F. ________________ 2 20. Perform the operations indicated. A. (5m 2 6m 12) (5m 12 m 2 ) B. (5m 2 6m 12) (5m 12 m 2 ) C. (3m 4)(m 8) D. (m 4)(5m 2 m 1) E. (4m 5) 2 21. Which is NOT a factor of A. x3 x2 3 B. x 4 81 ? x3 x2 9 C. D. E. All are factors 22. Which is a factor of A. x-2 C. x-4 x 2 2 x 24 ? B. x+2 D. x-6 24. Perform the following operations; assume all expressions are defined. A. 2x x 2 4 x2 4 2x B. x 2 3x 4 x 2 x x4 16 x 2 C. 3y (4 y ) 2x D. E. x 2 6x 9 x 2 4x 3 x2 9 x2 1 1 (45 xyz )( x) 3 23. Simplify for xyz 0 . revised 05-06 Page 4 of 7 Algebra I H Semester One Review a pam production packet 25. Solve the proportion: x 1 . 2 x 1 26. Solve the proportion: 5 9 . 6x x 2 30. Solve: A. C. 27. A lottery is started in Tampa. A player chooses a number between 1 and 50. A. What is the probability that a player chooses a number randomly and the number is even? B. What is the probability that a player chooses a number randomly and the number is a perfect square? 5 2 12 x 3x 13 36 36 13 B. D. 36 13 13 36 31. Which is NOT an acceptable way to grid the number A. 5 4 /5 B. 5 4 5 ? 5 . 8 C. 29 /5 C. What is the probability that a player chooses a number randomly and the number has two digits? D. What is the probability that a player chooses a number randomly and the number is 5 or 15? E. What is the probability that a player chooses a number randomly and the number is a multiple of 5? 28. For xy 0 simplify 29. Solve the equation: A. 42 13 revised 05-06 B. 13 42 2 x 3 y 2 4 xy 4 2 xy 7 5x x 3 2 C. 35 6 D. 32. Joe is a boss and his company says he has to pay his employees an average of $25 an hour. He has six employees and five of them make $40, $10, $10, $12 and $30 an hour. In the box below, set up an equation to find what to pay the last employee to make the average $25. THEN solve it. THINK SOLVE EXPLAIN 6 35 Equation: Solution: Page 5 of 7 Algebra I H Semester One Review a pam production packet 33. Maurice wants to paint his house. He can choose six kinds of white paint and four kinds of blue. All are different shades. If he chooses a color at random then what is the probability that he will choose blue? 1 4 A. B. 10 6 4 1 C. D. 10 2 34. In a pet store there are five puppies, four cats, three birds, and one fish. If a pet is chosen at random, then what is the probability that it will be a bird or a puppy ? 2 13 8 C. 13 A. A. How many students took the test, according to the table? ___ B. What was the median grade ? _____ C. What was the mode grade?_____ 38. Solve each equation: will be 10 feet wide; it will be an enlargement of a smaller picture. The original is 8 inches wide by 6 inches long. How long will the larger picture be? B. 4 feet D. 4.8 feet 36. For the data given, give the statistics. 12.5, 12.8, 12.8, 12.0, 13.2, 12.1, 12.3 A. m2 5m 6 0 B. x 2 7 x 10 C. 5 x x 2 24 39. Simplify: 15 2x 4 C. x A. 40. Simplify: Median:______ Mode: _______ Frequency 5 4 4 2 2 E. What was the mean grade?_____ 35. Maria wants to draw a picture that Mean: _______ Grade 90% 80% 70% 60% 50% D. What was the range?______ 1 4 1 D. 8 B. A. 8 feet C. 7.5 feet 37. The grades and frequency of Ms. Menendez' class' test grades are below, for the last test. 41. Add: 3 5 x 2 5x 6 2x 5 5x D. 2x B. 3 4( x 1) x 2 3 6 9 1 1 x y yx x y Range: ________ revised 05-06 Page 6 of 7 Algebra I H Semester One Review a pam production packet 42. Mike, Jan and Shemika are comparing ages. Mike says he is four years older than Shemika, and Jan said she was one and a half times Shemika's age. Shemika said "why are you both talking about me? You BOTH are old! And together we total 32 years old!" 46. Solve for A. B. w: 1 V lwh 3 S 2lw l How old is Mike?____ Jan?____ Shemika?______ 43. To get my pay, you multiply my hourly rate times the number of hours I work. I worked 16 hours more than I got paid (in dollars) hourly. If I made $80, how much was my hourly pay? A. $9 C. $4 B. $8 D.$2.99 44. The ratio of men to women in a small college is 11:12. If women number ten less than twice the men, then how many men are there? C 45. study hard! 15 12 A B x+6 T 6 R 4 S ABC ~ RST , then set up a proportion and solve it, to find the value of x. revised 05-06 Page 7 of 7