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Unit #3 Vocabulary

TermDefinition
1. Absolute Value The absolute value of a number a is the distance between a and zero on a number line the absolute value of a is written as |a|.
2. Coordinate Plan A coordinate plan is formed by a horizontal number line called the x-axis and vertical number line called y-axis.
3. Integers Integers are the set of positive whole numbers their opposites and 0.
4 .Opposites Opposites are two numbers that are the same distance from 0 on a number line but in opposite directions.
5. Ordered Pair An ordered pair identifies the location of a point in the coordinate plan. The x-coordinate shows a point left or right of the coordinate shows a point's position up or down from the x-axis.
6. Origin The origin is the point of intersection of the x- and y-axes on a coordinate plan.
7. Quadrants The x- and y-axis divides the coordinate plan into four regions called quadrants
8.Rational Number A rational number is a number that can be written in the form a over b or a over b where a is a whole number and b is a positive whole number the rational numbers include the integers
9. X-and Y- axis The x-axis is the horizontal number line that together with the y-axis forms the coordinate plan the y-axis is the vertical number line that together with the x-axis forms the coordinate plan.
10. Inequality States that two values are not equal
11. Whole Number A positive counting number starting with 0
12. Scale of a number line The value of the space between each tick mark on a number line this is how the number line is numbered.
Created by: user-1602447
 

 



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