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Topic 2 Vocabulary
Integers & Rational Numbers
Definition | Term |
---|---|
the distance between a number and zero on a number line |5|=5 |-5|=5 | absolute value |
the size of a number, another word for absolute value | magnitude |
two numbers that are the same distance from zero on a number line, but in different directions | opposites |
a number that cannot be written as a fraction, as a decimal it will NOT terminate or repeat | irrational number |
counting numbers | natural numbers |
all counting numbers and zero | whole numbers |
all positive whole numbers, zero, and their negative opposites | integers |
a number that can be written in fraction form (positive or negative), as a decimal it WILL either terminate or repeat | rational number |
formed by the intersection of a horizontal (↔) number line (x-axis) and a vertical (↕) number line (y-axis) creating a grid to find locations using two coordinates | coordinate plane |
the location of a point from the origin on the coordinate plane (x,y) • the x-coordinate shows the location left or right • the y-coordinate shows the location up or down | ordered pair |
the point on a coordinate plane where the x-axis and y-axis intersect (0, 0) | origin |
the horizontal (↔) number line on the coordinate plane | x-axis |
the vertical (↕) number line on the coordinate plane | y-axis |
the four regions of the coordinate plane created by the intersection of the x-axis and y-axis | quadrants |