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Chapter 2 Vocabulary

TermDefinition
Absolute Value The distance a number is from zero. 5 and -5 have the same absolute value which is 5 units from zero. Absolute value is indicated by two vertical lines around a number.
Equation A mathematical sentence that has an equal sign between two expressions that tells us both sides are equal.
Expression A combination of individual terms separated by plus or minus signs.
Fraction Greater than 1 (improper fraction) A fraction in which the numerator is greater than the denominator. This gives us a value greater than 1 whole.
Graph Represents numerical information in a visual form. The numbers may come from a table, situation or rule.
Integers The set of positive and negative whole numbers, including zero.
Mixed Number (mixed fraction) A number that consists of an integer (whole number) and a fraction.
Ordered Pair (coordinate) Two numbers written in order as follows: (x,y). These can help us locate or plot points on a graph
Origin The point on a graph where the x-axis and y-axis intersect. This point is at the ordered pair or coordinate (0,0).
Rational Numbers Rational Numbers Numbers that can be expressed as a fraction. Rational numbers include positive and negative whole numbers, fractions and decimals.
X- axis The horizontal number line on a graph. This goes from left to right.
Y- axis The vertical number line on a graph. This goes up and down.
Created by: user-1859778
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