Test Bank for A Problem Solving Approach to Mathematics for Elementary School Teachers, 13th Edition Rick Billstein, Shlomo Libeskind, Johnny Lott||ISBN NO:||ISBN NO:||All Chapters||Complete Guide A+

TESTBANK
v

,MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
v v v v v v v v v v v v v v




Determine whether the following is a statement. If it is, then also classify the statement as true or false.
v v v v v v v v v v v v v v v v v v




1) Why don't you come here? v v v v




A) Not a statement B) False statement v C) True statement
v v v v v




v Answer: A v




2) This room is big. v v v




A) True statement v B) Not a statement
v v v C) False statement
v v




v Answer: B v




3) 5 - 1 =4v v v v




A) True statement v B) Not a statement
v v v C) False statement
v v




v Answer: A v




4) 7x + y = 3 v v v v




A) False statement v B) True statement
v v C) Not a statement
v v v




v Answer: C v




5) Can you bring the book?
v v v v




A) True statement v B) Not a statement
v v v C) False statement
v v




v Answer: B v




6) x + y = x - y, where y = 0
v v v v v v v v v v




A) False statement v B) True statement
v v C) Not a statement
v v v




v Answer: B v




7) 12 = 3y v v




A) Not a statement v v B) False statement
v v C) True statement
v v




v Answer: A v




8) 2.4 = 5.2 v v




A) False statement v B) Not a statement
v v v C) True statement
v v




v Answer: A v




9) The state of California is in North America.
v v v v v v v




A) Not a statement B) False statement v v v v C) True statement
v v




v Answer: C v




10) Brazil is in Asia. v v v




A) True statement v B) Not a statement
v v v C) False statement
v v




v Answer: C v




Use a quantifier to make the following true or false, as indicated, where x is a natural number.
v v v v v v v v v v v v v v v v v




11) x + x = 6 (make true)
v v v v v v




A) There is no natural number x such that x + x = 6. v v v v v v v v v v v v




B) For all natural numbers x, x + x = 6. v v v v v v v v v




C) There exists a natural number x such that x + x = 6. v v v v v v v v v v v v




D) For every natural number x, x + x = 6. v v v v v v v v v




Answer: C v

, 12) x3 = 8 v
v v v (make true) v




A) No natural number x exists such that x3 = 8. v v v v v v v
v
v




B) Every natural number x satisfies x3 = 8. v v v v v
v
v




C) There exists a natural number x such that x3 = 8. v v v v v v v v
v
v




D) Three natural numbers x exist such that x3 = 8. v v v v v v v
v
v




v Answer: C v




13) 2x + 1 =5 -x (make true)
v v v v v v v v




A) No natural number x exists such that 2x + 1 = 5 - x. v v v v v v v v v v v v v




B) There exists a natural number x such that 2x + 1 = 5 - x. v v v v v v v v v v v v v v




C) Only two natural numbers x exist such that 2x + 1 = 5 - x. v v v v v v v v v v v v v v




D) For every natural number x, 2x + 1 = 5 - x. v v v v v v v v v v v




v Answer: B v




14) 12x = 5x + 7x (make false)
v v v v v v




A) For every natural number x, 12x = 5x + 7x. v v v v v v v v v




B) There is no natural number x such that 12x = 5x + 7x. v v v v v v v v v v v v




C) More than one natural number x exists such that 12x = 5x + 7x. v v v v v v v v v v v v v




D) There exists a natural number x such that 12x = 5x + 7x. v v v v v v v v v v v v




v Answer: B v




15) x - 13 =13 -x (make false)
v v v v v v v v




A) For x = 13, x - 13 = 13 - x. v v v v v v v v v v




B) There exists a natural number x such that x - 13 = 13 - x. v v v v v v v v v v v v v v




C) At least one natural number x exists such that x - 13 = 13 - x.
v v v v v v v v v v v v v v v




D) There is no natural number x such that x - 13 = 13 - x. v v v v v v v v v v v v v v




v Answer: D v




16) 4x = 7x (make false)
v v v v v




A) There is no natural number x such that 4x = 7x. v v v v v v v v v v




B) For every natural number x, 4x = 7x. v v v v v v v




C) No natural number x satisfies 4x = 7x. v v v v v v v




v Answer: B v




Write the statement indicated.
v v v




17) Write the negation of the following: v v v v v




The test is difficult.
v v v v




A) The test is not difficult. v v v v B) The test is not very easy.
v v v v v v




C) The test is very difficult. v v v v v D) The test is not easy.
v v v v v




v Answer: A v




18) Write the negation of the following: 8 v v v v v v




+ 2 = 10
v v v v




A) 8 + 2 = 12 v v v v B) 8 + 2 = 2 + 8
v v v v v v v




C) The sum of 8 and 2 is ten. v v v v v v v v D) 8 + 2 ≠ 10
v v v v v




Answer: D v

, SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
v v v v v v v v v v v v v v v




Provide an appropriate response.
v v v




19) Negate the following: The store is sometimes open on Sunday.
v v v v v v v v v




v Answer: The store is never open on Sunday. v v v v v v v




MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
v v v v v v v v v v v v v v




Construct a truth table for the statement.
v v v v v v v




20) ~p ∧ ~s v v




A) p s (~p ∧ ~s) v v B) p s (~p ∧ ~s)
v v v v v v C) pv s (~p ∧ ~s)
v v D) p
v v v s (~p ∧ ~s)
v v v




T T T T T F T T F T T F
T F F T F F T F F T F T
F T F F T F F T F F T T
F F T F F F F F T F F T
Answer: C v




21) s ∨ ~(r ∧ p) v v v v




A) s v r p s ∨ ~(r ∧ p)v v v v B) s v r p s ∨ ~(r ∧ p)
v v v v




T T T T T T T T
T T F T T T F T
T F T T T F T T
T F F T T F F T
F T T F F T T F
F T F T F T F T
F F T T F F T T
F F F F F F F T
Answer: B

22) (p ∧ ~q) v v v ∧ v t
A) p v q t (p ∧ ~q) v v v ∧ B) p v q t (p ∧ ~q)v v v ∧ v t
T T T F T T T F
T T F F T T F F
T F T F T F T T
T F F F T F F F
F T T F F T T F
F T F T F T F F
F F T T F F T F
F F F T F F F F
Answer: B v