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Do You Know Your Numbers? Flashcards | StudBud
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Do You Know Your Numbers?
Do You Know Your Numbers?
21 terms
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StudBud Administration
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197 plays
Number Theory
Flashcards
21 cards
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Practice quiz
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Questions
21
Answers
1
The product of two negative numbers will be negative.
Sometimes
Never
Always
2
The difference of two negative numbers is negative.
Never
Sometimes
Always
3
A negative number raised to an even power will still be negative.
Always
Never
Sometimes
4
What is the GCF (greatest common factor) of 24 and 30?
6
4
3
12
5
What kind of number has a non-repeating and non-terminating decimal?
Rational
Fraction
Integer
Irrational
6
Which of the following
IS
a prime number?
49
47
39
51
7
Let
N
be an integer. Is N² positive?
Never
Sometimes
Always
8
Numbers expressed as fractions (integer numerator, counting number denominator) are:
Rational
Both Rational and Irrational
Irrational
Neither Rational nor Irrational
9
Is zero odd or even?
Neither
Odd
Even
10
Let N be an integer. Is N³ positive?
Sometimes
Always
Never
11
A positive number plus a negative number gives a negative answer.
Always
Sometimes
Never
12
Are integers closed for addition? (Add two integers, you always get an integer answer.)
No
Yes
13
What is the largest fraction in the group below?
1/6
1/8
1/3
1/4
14
Which one of the following is
NOT
a prime number?
97
1
53
31
15
The product of two odd numbers is odd.
Never
Sometimes
Always
16
(A) | -1 | = 1 (B) | 1 | = -1 Which of these two statements is/are true?
(A) only
(A) & (B)
Neither one
(B) only
17
Is zero an integer?
No
Yes
18
What is the LCM (least common multiple) of 8 and 12?
48
4
24
36
19
The sum of an odd number and an even number is odd.
Always
Sometimes
Never
20
What is the value of (17² – 13²)
0
?
120
1
0
4²
21
What is zero raised to the zero power? 0
0
0
1
-1
Undefined
