Real Numbers
{1, 2, 3, 4,..} are a subset of the real numbers.
What are the natural numbers?
Symbols ∞ & -∞.
What are positive and negative infinity?
The symbol |...| and variable 'a', |a|.
What are the absolute value of a?
Letters used to represent numbers.
What are variables?
If a, b, and c are integers such that ab = c, then a and b are ________.
What are factors?
{0,1, 2, 3, 4,..} are a subset of the real numbers.
What are the whole numbers?
Values that X <= 2 describe.
What are all real numbers less than or equal to 2?
An equation true for any value of a, |a| >= ____.
What is zero?
In an algebraic expression, a real number, on its own,is called a _______.
What is a constant?
An integer that has exactly 2 positive factors.
What is a prime number?
{..-2, -1, 0, 1, 2, 3,..} are a subset of the real numbers.
What are integers?
Values -2 <= x < 3.
What are all real numbers greater than or equal to -2 and less than 3?
A property of absolute values is that |ab| = _____.
What is |a||b|?
The numerical factor of a variable term.
What is a coefficient?
The numbers 4, 6, 8, 9, 10 can be written as the product of two or more prime #'s.
What are composite numbers?
Numbers that can be written as the ratio p/q of two integers p, q with q not = 0.
What are the rational numbers?
The real numbers a and b in the bounded interval a <= x< = b.
What are the endpoints of the interval?
A property of absolute values is |a|=|-a| = ___.
What is 'a'?
The name for the top value 'a' in a fraction a/b.
What is a numerator?
There exists a property where if ab = 0, then a = 0 or b= 0.
What is the zero-factor property?
Numbers that cannot be written as the ratio p/q of two integers p, q with q not = 0. For example, a nonrepeating decimal.
What are irrational numbers?
There is a law which states that for any two real numbers a and b, precisely one of three relationships is possible: a = b, a<b, a>b.
What is the Law of Trichotomy?
A property of absolute values is that |a/b| = ____.
What is |a|/|b|? (b not equal to zero).
The name for the bottom value 'b' in a fraction a/b.
What is the denominator?
Let a and b be real numbers. The value |b-a| = |a-b| represents a special value.
What is the linear distance between a and b?