Test Bank for A Problem Solving Approach to Mathematics for Elementary School Teachers, 13th Edition Rick Billstein, Shlomo Libeskin, Johnny Lott | All Chapters Included | Complete Latest Guide A+.

Test Bank for A Problem Solving Approach to Mathematics for Elementary School Teachers, 13th Edition Rick Billstein, Shlomo Libeskin, Johnny Lott | All Chapters Included | Complete Latest Guide A+. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Determine whether the following is a statement. If it is, then also classify the statement as true or false. 1) Why don't you come here? A) Not a statement B) False statement C) True statement Answer: A 2) This room is big. A) True statement B) Not a statement C) False statement Answer: B 3) 5 - 1 = 4 A) True statement B) Not a statement C) False statement Answer: A 4) 7x + y = 3 A) False statement B) True statement C) Not a statement Answer: C 5) Can you bring the book? A) True statement B) Not a statement C) False statement Answer: B 6) x + y = x - y, where y = 0 A) False statement B) True statement C) Not a statement Answer: B 7) 12 = 3y A) Not a statement B) False statement C) True statement Answer: A 8) 2.4 = 5.2 A) False statement B) Not a statement C) True statement Answer: A 9) The state of California is in North America. A) Not a statement B) False statement C) True statement Answer: C 10) Brazil is in Asia. A) True statement B) Not a statement C) False statement Answer: C Use a quantifier to make the following true or false, as indicated, where x is a natural number. 11) x + x = 6 (make true) A) There is no natural number x such that x + x = 6. B) For all natural numbers x, x + x = 6. C) There exists a natural number x such that x + x = 6. D) For every natural number x, x + x = 6. Answer: C 1 12) x3 = 8 (make true) A) No natural number x exists such that x3 = 8. B) Every natural number x satisfies x3 = 8. C) There exists a natural number x such that x3 = 8. D) Three natural numbers x exist such that x3 = 8. Answer: C 13) 2x + 1 = 5 - x (make true) A) No natural number x exists such that 2x + 1 = 5 - x. B) There exists a natural number x such that 2x + 1 = 5 - x. C) Only two natural numbers x exist such that 2x + 1 = 5 - x. D) For every natural number x, 2x + 1 = 5 - x. Answer: B 14) 12x = 5x + 7x (make false) A) For every natural number x, 12x = 5x + 7x. B) There is no natural number x such that 12x = 5x + 7x. C) More than one natural number x exists such that 12x = 5x + 7x. D) There exists a natural number x such that 12x = 5x + 7x. Answer: B 15) x - 13 = 13 - x (make false) A) For x = 13, x - 13 = 13 - x. B) There exists a natural number x such that x - 13 = 13 - x. C) At least one natural number x exists such that x - 13 = 13 - x. D) There is no natural number x such that x - 13 = 13 - x. Answer: D 16) 4x = 7x (make false) A) There is no natural number x such that 4x = 7x. B) For every natural number x, 4x = 7x. C) No natural number x satisfies 4x = 7x. Answer: B Write the statement indicated. 17) Write the negation of the following: The test is difficult. A) The test is not difficult. B) The test is not very easy. C) The test is very difficult. D) The test is not easy. Answer: A 18) Write the negation of the following: 8 + 2 = 10 A) 8 + 2 = 12 B) 8 + 2 = 2 + 8 C) The sum of 8 and 2 is ten. D) 8 + 2 ≠ 10 Answer: D 2 SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. 19) Negate the following: The store is sometimes open on Sunday. Answer: The store is never open on Sunday. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Construct a truth table for the statement. 20) ~p ∧ ~s A) p s (~p ∧ ~s) T T T T F F F T F F F T B) p s (~p ∧ ~s) T T F T F F F T F F F F C) p s (~p ∧ ~s) T T F T F F F T F F F T D) p s (~p ∧ ~s) T T F T F T F T T F F T Answer: C 21) s ∨ ~(r ∧ p) A) s r p s ∨ ~(r ∧ p) T T T T T T F T T F T T T F F T F T T F F T F T F F T T F F F F B) s r p s ∨ ~(r ∧ p) T T T T T T F T T F T T T F F T F T T F F T F T F F T T F F F T Answer: B 22) (p ∧ ~q) ∧ t A) p q t (p ∧ ~q) ∧ t T T T F T T F F T F T F T F F F F T T F F T F T F F T T F F F T B) p q t (p ∧ ~q) ∧ t T T T F T T F F T F T T T F F F F T T F F T F F F F T F F F F F Answer: B 3 23) ~((w ∧ q) ∨ s) A) w q s ~((w ∧ q) ∨ s) T T T T T T F F T F T T T F F F F T T T F T F F F F T T F F F F B) w q s ~((w ∧ q) ∨ s) T T T F T T F F T F T F T F F T F T T F F T F T F F T F F F F T Answer: B.