Question | Answer |
What is a set? | Is a collection of Objects |
What are the objects of sets usually called? | Members or Elements |
Collection of objects | Set |
Objects generally in a set | members or elements |
Members or Elements | Objects in a set |
Roster form | Just lists out elements of a set between two set brackets {january,june,july} |
Just lists out of elements of a set between two set brackets | Roster form |
Equal = | To notate that two expressions are equal to each, |
= | Notates two expressions are equal |
A < B | A is less than b |
A is less than b | A <B |
A>B | a is greater than b |
Mathematical statement | uses the equality and inequality symbols shown above. Judged either true or false |
Uses the equality and inequality symbols. | Mathematical statement |
Natural or counting numbers | N= {1,2,3,4,5,6,7...} |
N= {1,2,3,4,5,6,7...} | Natural or counting numbers |
Whole Numbers | {0,1,2,3,4,5,6,7...} |
{0,1,2,3,4,5,6,7...} | Whole numbers |
Integers | Z= {...,-5,-4,-3,-2,-1,0,1,2,3,4,5...} |
Z= {...,-5,-4,-3,-2,-1,0,1,2,3,4,5...} | Integers |
Natural numbers and whole numbers are both subsets of what? | Integers |
Rational Numbers | is a number that can be written as one integer over another |
Is a number that can be written as one integer over another | Rational number |
Natural numbers, whole numbers and integers are all subsets of what. | Rational numbers |
Irrational numbers | Numbers that are not perfect roots, non-terminating, non-repeating decimals like Pi. |
Real Numbers | Any number that belongs to either the rational numbers or irrational numbers would be considered this. Includes natural, whole and integers |
Any number that belongs to either the rational numbers or irrational numbers would be considered this. Includes natural, whole and integers | Real numbers |
Zero on the number line is called what? | Origin |
origin | zero on a number line |
Negative numbers | On the left of 0 |
On the left of 0 | Negative Numbers |
Positive Numbers | Located at the right of 0 |
Located at the right of 0 | Positive number |
0 , zero | Does not belong to either groups. Neither negative or positive |
Absolute value | Measures the distance that x is away from origin (0) |
Measures the distance that x is away from origin (0) | Absolute value |
2.5 ? 1.5 Replace ? with either <,>, or = | 2.5>1.5 |