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Prime Number - Correct Answers ✅whole number that has
only 2 factors (1 and itself)
Composite Number - Correct Answers ✅whole number that
has factors in addition to 1 and itself
0 & 1 - Correct Answers ✅Neither prime nor composite
Even Numbers - Correct Answers ✅Composite (because
they are all divisible by two)
Numbers that end in 5 - Correct Answers ✅Composite
(because they are all divisible by 5)
Prime Numbers up to 20 - Correct Answers ✅2, 3, 5, 7, 11,
13, 17, 19
Interval - Correct Answers ✅Connected portion of the real
line
Closed Interval - Correct Answers ✅Filled in circles & [ ]
Open Interval - Correct Answers ✅Open circles & ( )
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Rational Number - Correct Answers ✅Number that can be
written as a ratio/fraction
Ex: 8 = 8/1 3/4 7,344/123,239
*EVERY WHOLE NUMBER*
Irrational Number - Correct Answers ✅Number that can be
written as a decimal but not a fraction
Ex: pi= 3.141592... square root 2= 1.414213
Absolute Value - Correct Answers ✅distance from 0 |x|
Ex: |3|=3 |-3|=3
*never negative*
Factors - Correct Answers ✅Numbers you multiply to get
another number
Prime Factorization - Correct Answers ✅List of prime
numbers that are factors of a number
Ex: prime fac of 8 = 2X2X2
*Take number and divide it by smallest prime that goes into
it*
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Relation - Correct Answers ✅Relationship between sets of
information
Domain - Correct Answers ✅set of all starting points; x
Range - Correct Answers ✅set of all ending points; y
All functions are _________ but not all ______ are functions. -
Correct Answers ✅RELATIONS
Well-behaved Function - Correct Answers ✅relation that
has only one y when given one x
*Can't share * None can not be matched *
If you can draw a _______________ through two points it is NOT
a function - Correct Answers ✅VERTICAL LINE
Linear Function - Correct Answers ✅f(x)=x
D: (-inf, inf)
R: (-inf, inf)
*Diagonal Line*
Constant Function - Correct Answers ✅f(x)=c