Flashcard Set Preview
Side A  Side B  
1 
(T/F): 2 is an integer.

True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 2 has...


2 
(T/F): 9 is an integer.

True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 9 has...


3 
(T/F): 13 is an integer.

True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 13...


4 
(T/F): 1.6 is an integer.

False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 1.6...


5 
(T/F): 5 is an integer.

True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 5 has...


6 
(T/F): 6.2 is an integer.

False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 6.2...


7 
(T/F): 0 is an integer.

True. EXPLANATION: An integer is a number with no digits to the right of the decimal point....


8 
(T/F): 0 is an even number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


9 
(T/F): 18 is an even number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


10 
(T/F): 3 is an even number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


11 
(T/F): 30 is an odd number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


12 
(T/F): 30 is an odd number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


13 
(T/F): 17 is an odd number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


14 
(T/F): 928 is an even number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


15 
(T/F): 563 is an even number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


16 
(T/F): 1073 is an even number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


17 
(T/F): 1312 is an odd number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


18 
(T/F): 926 is an odd number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


19 
(T/F): 1878 is an odd number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


20 
(T/F): The square root of 80 is a rational number.

False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


21 
(T/F): The square root of 22 is a rational number.

False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


22 
(T/F): The square root of 3 is a rational number.

False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


23 
(T/F): The square root of 25 is a rational number.

True. EXPLANATION: The square root of 25 is 5, which is an integer, and therefore rational.


24 
(T/F): The square root of 9 is a rational number.

True. EXPLANATION: The square root of 9 is 3, which is an integer, and therefore rational.


25 
(T/F): The square root of 100 is a rational number.

True. EXPLANATION: The square root of 100 is 10, which is an integer, and therefore rational.


26 
(T/F): The square root of 5 is an irrational number.

True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


27 
(T/F): The square root of 99 is an irrational number.

True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


28 
(T/F): The square root of 5 is an irrational number.

True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


29 
(T/F): The square root of 36 is an irrational number.

False. EXPLANATION: The square root of 36 is 6, which is an integer, and therefore rational.


30 
(T/F): The square root of 49 is an irrational number.

False. EXPLANATION: The square root of 49 is 7, which is an integer, and therefore rational.


31 
(T/F): The square root of 16 is an irrational number.

False. EXPLANATION: The square root of 16 is 4, which is an integer, and therefore rational.


32 
(T/F): 15.47 is an integer.

False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 15.47...


33 
(T/F): 5.882 is an integer.

False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 5.882...


34 
(T/F): 11 is an integer.

True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 11...


35 
(T/F): 4.7 is an integer.

False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 4.7...


36 
(T/F): 6.99 is an integer.

False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 6.99...


37 
(T/F): 3 is an integer.

True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 3...


38 
(T/F): 0 is an integer.

True. EXPLANATION: An integer is a number with no digits to the right of the decimal point....


39 
(T/F): 12 is an even number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


40 
(T/F): 29 is an even number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


41 
(T/F): 30 is an even number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


42 
(T/F): 2 is an odd number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


43 
(T/F): 9 is an odd number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


44 
(T/F): 0 is an odd number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


45 
(T/F): 473 is an even number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


46 
(T/F): 932 is an even number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


47 
(T/F): 450 is an even number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


48 
(T/F): 46 is an odd number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


49 
(T/F): 1707 is an odd number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


50 
(T/F): 126 is an odd number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


51 
(T/F): The square root of 57 is a rational number.

False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


52 
(T/F): The square root of 45 is a rational number.

False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


53 
(T/F): The square root of 63 is a rational number.

False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


54 
(T/F): The square root of 16 is a rational number.

True. EXPLANATION: The square root of 16 is 4, which is an integer, and therefore rational.


55 
(T/F): The square root of 25 is a rational number.

True. EXPLANATION: The square root of 25 is 5, which is an integer, and therefore rational.


56 
(T/F): The square root of 81 is a rational number.

True. EXPLANATION: The square root of 81 is 9, which is an integer, and therefore rational.


57 
(T/F): The square root of 57 is an irrational number.

True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


58 
(T/F): The square root of 80 is an irrational number.

True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


59 
(T/F): The square root of 3 is an irrational number.

True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


60 
(T/F): The square root of 25 is an irrational number.

False. EXPLANATION: The square root of 25 is 5, which is an integer, and therefore rational.


61 
(T/F): The square root of 25 is an irrational number.

False. EXPLANATION: The square root of 25 is 5, which is an integer, and therefore rational.


62 
(T/F): The square root of 49 is an irrational number.

False. EXPLANATION: The square root of 49 is 7, which is an integer, and therefore rational.


63 
(T/F): 0 is an integer.

True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 0 has...


64 
(T/F): 4.9 is an integer.

False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 4.9...


65 
(T/F): 9.83 is an integer.

False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 9.83...


66 
(T/F): 9 is an integer.

True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 9 has...


67 
(T/F): 8 is an integer.

True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 8...


68 
(T/F): 8 is an integer.

True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 8...


69 
(T/F): 0 is an integer.

True. EXPLANATION: An integer is a number with no digits to the right of the decimal point....


70 
(T/F): 6 is an even number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


71 
(T/F): 9 is an even number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


72 
(T/F): 37 is an even number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


73 
(T/F): 22 is an odd number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


74 
(T/F): 9 is an odd number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


75 
(T/F): 7 is an odd number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


76 
(T/F): 1042 is an even number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


77 
(T/F): 259 is an even number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


78 
(T/F): 6 is an even number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


79 
(T/F): 973 is an odd number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


80 
(T/F): 511 is an odd number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


81 
(T/F): 1611 is an odd number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


82 
(T/F): The square root of 5 is a rational number.

False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


83 
(T/F): The square root of 57 is a rational number.

False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


84 
(T/F): The square root of 63 is a rational number.

False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


85 
(T/F): The square root of 81 is a rational number.

True. EXPLANATION: The square root of 81 is 9, which is an integer, and therefore rational.


86 
(T/F): The square root of 64 is a rational number.

True. EXPLANATION: The square root of 64 is 8, which is an integer, and therefore rational.


87 
(T/F): The square root of 9 is a rational number.

True. EXPLANATION: The square root of 9 is 3, which is an integer, and therefore rational.


88 
(T/F): The square root of 22 is an irrational number.

True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


89 
(T/F): The square root of 57 is an irrational number.

True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


90 
(T/F): The square root of 3 is an irrational number.

True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


91 
(T/F): The square root of 9 is an irrational number.

False. EXPLANATION: The square root of 9 is 3, which is an integer, and therefore rational.


92 
(T/F): The square root of 81 is an irrational number.

False. EXPLANATION: The square root of 81 is 9, which is an integer, and therefore rational.


93 
(T/F): The square root of 36 is an irrational number.

False. EXPLANATION: The square root of 36 is 6, which is an integer, and therefore rational.


94 
(T/F): 8.2 is an integer.

False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 8.2...


95 
(T/F): 8.3 is an integer.

False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 8.3...


96 
(T/F): 1.62 is an integer.

False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 1.62...


97 
(T/F): 8 is an integer.

True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 8 has...


98 
(T/F): 3.47 is an integer.

False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 3.47...


99 
(T/F): 5.9 is an integer.

False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 5.9...


100 
(T/F): 0 is an integer.

True. EXPLANATION: An integer is a number with no digits to the right of the decimal point....


101 
(T/F): 7 is an even number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


102 
(T/F): 25 is an even number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


103 
(T/F): 22 is an even number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


104 
(T/F): 11 is an odd number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


105 
(T/F): 26 is an odd number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


106 
(T/F): 15 is an odd number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


107 
(T/F): 1168 is an even number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


108 
(T/F): 1084 is an even number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


109 
(T/F): 1614 is an even number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


110 
(T/F): 860 is an odd number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


111 
(T/F): 888 is an odd number.

False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


112 
(T/F): 293 is an odd number.

True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...


113 
(T/F): The square root of 22 is a rational number.

False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


114 
(T/F): The square root of 22 is a rational number.

False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


115 
(T/F): The square root of 57 is a rational number.

False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


116 
(T/F): The square root of 81 is a rational number.

True. EXPLANATION: The square root of 81 is 9, which is an integer, and therefore rational.


117 
(T/F): The square root of 16 is a rational number.

True. EXPLANATION: The square root of 16 is 4, which is an integer, and therefore rational.


118 
(T/F): The square root of 64 is a rational number.

True. EXPLANATION: The square root of 64 is 8, which is an integer, and therefore rational.


119 
(T/F): The square root of 5 is an irrational number.

True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


120 
(T/F): The square root of 3 is an irrational number.

True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


121 
(T/F): The square root of 99 is an irrational number.

True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...


122 
(T/F): The square root of 81 is an irrational number.

False. EXPLANATION: The square root of 81 is 9, which is an integer, and therefore rational.


123 
(T/F): The square root of 9 is an irrational number.

False. EXPLANATION: The square root of 9 is 3, which is an integer, and therefore rational.


124 
(T/F): The square root of 64 is an irrational number.

False. EXPLANATION: The square root of 64 is 8, which is an integer, and therefore rational.
