Question | Answer |
Natural Number | The set {1, 2, 3, ...} |
Whole Number | The set {0, 1, 2, 3, ...} |
Integers | The set {..., -2, -1, 0, 1, 2, ...} |
Positive Number | Any value that is greater than zero |
Negative Number | Any value less than zero |
Rational Numbers | The set of numbers expressed in the form of a fraction a/b, where a and b are integers and b ≠ 0 |
Infinity | Lines and sets that never end continue to infinity |
Graph | To draw, or plot, the points named by certain numbers or ordered pairs on a number line or coordinate plane |
Coordinate | The number that corresponds to a point on a number line |
Absolute Value | The absolute value of a number n is its distance from zero on a number line and is represented by ∣n∣ |
Opposites | Every positive rational number and its negative pair |
Additive Inverses | A number and its opposite are additive inverses of each other. The sum of a number and its addictive inverse is 0 |
Line Plot | A number line labeled with a scale to include all the data with an X placed above a data point each time it occurs |
Frequency | How often a piece of data occurs |
Stem-and-Leaf Plot | A system used to separate data into two numbers that are used to form a number |
Back-to-Back Stem-and-Leaf Plot | Used to compare two related sets of data |
Measures of Central Tendency | Numbers or pieces of data that can represent the whole set of data |
Probability | The ratio of the number of favorable outcomes for and event to the number of possible outcomes of the event.
P(a)=number of favorable outcomes divided by total number of possible outcomes |
Simple Event | A single event |
Sample Space | The list of all possible outcomes |
Equally Likely | Outcomes for which the probability of each occurring is equal |
Odds | The ratio that compares the number of ways an even can occur (successes) to the number of ways the event cannot occur (failures) |