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Name: ____________________________________________ Date: ________________________ Period: _______ Algebra 1 Final Review Fall: Chapter 1 Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. Which is an example of the Distributive Property? a. (5 − 2) + 3 = (−2 + 5) + 3 b. 5(2 − 3) = 5 × 2 − 5 × 3 c. (5 − 2) + 3 = 5 + (−2 + 3) d. (5 − 2) − 3 = 0 ____ 2. Which equation is equal to 2y = 4 + 3(8 − 22)? a. 2y = 16 b. 2y = 24 c. 2y = 112 d. 2y = 84 ____ 3. Which is the solution of 4(3x – 2) – (4x – 3) = 11? 4 1 c. d. 2 a. 1 b. 1 3 4 ____ 4. For which set of numbers is the inequality x2 ≥ x true ? a. real numbers b. rational numbers c. integers d. all of the above ____ 5. Which is a counterexample for the conjecture “the difference between two negative integers is always positive?” a. –7 – 2 = –9 b. 7 – 4 = 3 c. –5 – (–2) = –3 d. –5 – (–7) = 2 ____ 6. What is the domain of the function given by {(5, 0), (−1, 2), (3, 2), (6, 7)}? a. {0, 2, 7} b. {−1, 2, 5, 7} c. {2, 3, 6, 7} d. {−1, 3, 5, 6} ____ 7. Which values of w represent the solution set of the inequality 6(2w + 1) – 7(3w + 2) < 10? 7 10 a. w < –2 b. w > –2 c. w < − d. w > 9 9 ____ 8. What is the missing property? a + [b + (–a)] = a + [(–a) + b] = [a + (–a)] + b =0+b =b Commutative Property Associative Property Additive Inverse Property ______?______ a. Distributive Property b. Transitive Property c. Zero Property d. Additive Identity Property ____ 9. When is the equation |a − b| = |a| − |b| true? a. always b. never c. sometimes d. only if a = b 4 ____ 10. What is the opposite of the reciprocal of – ? 5 | 4| 4 5 5 a. b. – c. d. | − | 5 4 4 | 5| 1 Name: ________________________ Write an algebraic expression for each verbal expression. ____ 11. the sum of 6 and z a. z × 6 b. 6 ÷ z c. 6 + z d. 6 – z ____ 12. 42 less the product of 2 and x a. 42 + 2x b. 42 ÷ 2x c. 42 – 2x d. 2x × 42 Write a verbal expression for the algebraic expression. ____ 13. 12x a. the sum of x and 12 b. the difference of 12 and x c. the product of 12 and x d. the quotient of 12 and x ____ 14. 4 5 a. 4 times 5 b. four to the fifth power c. 4 divided by 5 d. five to the fourth power ____ 15. 9m4 + 7n 2 a. 9 times m to the fourth power decreased by 7 times n squared b. the difference of 9 times m to the fourth power and 7 times n squared c. 9 times m to the fourth power increased by 7 times n squared d. the quotient of 9 times m to the fourth power and 7 times n squared ____ 16. 5x 4 ÷ 6 a. six divided by 5 times x to the fourth power b. the quotient of 5 times x to the fourth power and 6 c. the product of 5 times x to the fourth power and 6 d. the sum of 5 times x to the fourth power and 6 Evaluate the expression. ____ 17. 2 + 2 (2) (5) + 8 a. 50 b. 106 c. 88 d. 90 2 ____ 18. 54 – 3(8 – 4) a. 204 b. 42 c. 26 d. 90 ____ 19. Evaluate the following expression if a = 12, b = 5, and c = 4. 3c + bc – 2a a. 67 b. 132 c. 8 d. 84 ____ 20. Evaluate the following expression if x = 12, y = 8, and z = 6. x 2 y − 2z 4 a. 1140 b. 21 c. 285 d. 1296 2 Name: ________________________ ____ 21. Solve the equation. 6 (14 − 8) a= + 10 2 (8) + 2 a. 20 b. 12 c. 14 d. 2 Name the property used in the equation. Then find the value of n. ____ 22. 11n = 11 a. Multiplicative Identity; 1 b. Multiplicative Identity; 0 c. Additive Identity; 1 d. Multiplicative Inverse; 1 ____ 23. 4(7n) = 4 a. Multiplicative Identity; 1 7 b. Additive Inverse; 1 4 c. Multiplicative Inverse; 1 4 d. Substitution; Use the Distributive Property to find the product. Ê 1ˆ ____ 24. 15 ÁÁÁ 2 5 ˜˜˜ Ë ¯ a. 37 b. 30 c. 33 d. 35 Simplify the expression. ____ 25. 3 ÊÁË 1.8x + 2.6y ˆ˜¯ + 4 ÊÁË 3.3x + 4y ˆ˜¯ a. 18.6x + 19.8y b. 16.8x + 23.8y c. 18.6x + 23.8y d. 23.8x + 18.6y ____ 26. 9x + 8 (6x + 2) a. 57x + 10 b. 57x + 2 c. 57x + 16 d. 15x + 10 Identify the hypothesis and conclusion of the statement. Then write the statement in if-then form. ____ 27. We are going to the movies Friday evening. a. H: it is Friday C: we are going to the mall If it is Friday, then we are going to the mall. b. H: it is Friday evening C: we are going to the movies If it is Friday evening, then we are going to the movies. c. H: it is Saturday night C: we are going to the movies If it is Saturday night, then we are going to the movies. d. H: we are going to the movies C: it is Friday evening If we are going to the movies, then it is Friday evening. 1 1 7 Name: ________________________ ____ 28. The quarterback must try out for the football team. a. H: a person tries out for the football team C: the person is going to be the quarterback If a person tries out for the football team, then the person is going to be the quarterback. b. H: a person is going to be the quarterback C: the person must be a fast runner If a person is going to be the quarterback, then the person must be a fast runner. c. H: a person tries out for the football team C: the person must have excellent grades If a person tries out for the football team, then the person must have excellent grades. d. H: a person is going to be the quarterback C: the person must try out for the football team If a person is going to be the quarterback, then the person must try out for the football team. Find a counterexample for the statement. ____ 29. If it is a day in July, then the temperature is over 90°. a. July 12 -- 93° b. August 4 -- 95° c. July 17 -- 87° d. November 9 -- 46° ____ 30. If you study for at least two hours, then you will earn 100% on your math test. 3 a. Studied 2.5 hours -- 97% b. Studied 125 minutes -- 100% c. Studied 1 4 hours -- 100 % d. Studied 1 hour -- 57% ____ 31. If you attend all 15 days of basketball tryouts, then you will make the team. a. Attended 14 days -- Made the team b. Attended 15 days -- Made the team c. Attended 11 days -- Cut from team d. Attended 15 days -- Cut from team Name the sets of numbers to which each number belongs. ____ 32. ____ 33. 20 a. Real, rational, integer, and whole b. Real, rational, and integer c. Real and irrational d. Real and rational −35 7 a. Real and irrational b. Real, rational, and integer c. Real, rational, integer, and whole d. Real and rational 4