Math Vocabulary By: Keydron Stuckey May 19,2013 1 st Period Mrs. Bishop.
Transcript of Math Vocabulary By: Keydron Stuckey May 19,2013 1 st Period Mrs. Bishop.
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Math VocabularyBy: Keydron StuckeyMay 19,20131st Period Mrs. Bishop
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Integer
one of the positive or negative
numbers 1, 2, 3, etc., or zero.
Compare whole number.
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Rational Number
• a number that can be expressed exactly by a ratio of two integers.
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Scientific Notation
a method for expressing a given quantity as a number having significant digits necessary for a specified degree of accuracy, multiplied by 10 to the appropriate power, as 1385.62 written as 1.386 × 103.
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Perfect Square
• A number whose square root is an integer.
• For example, 4 is a perfect square because its square root is the integer 2.
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Irrational Number
• A number that cannot be expressed as a fraction.
• Examples include some square roots such as 21/2 and 31/2, and numbers such as symbol π (the ratio of the circumference of a circle to its diameter).
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Real Numbers
All the numbers that includes all rational and irrational numbers.
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Density Property
• The property that states that there always exists another rational number between any two given rational numbers. This means that the set of rational numbers is dense.
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Adjacent Angles
Two angles that share the same vertex and have one side in common between them.
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Coefficient
• Mathematics . a number or quantity placed (generally) before and multiplying another quantity, as 3 in the expression 3x.
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Distance Formula
• 1. distance(between two points) The length of the shortest path from
one point to another.
• distance formula (of two points) The distance between two
points (x1, y1) and (x2, y2) in the Cartesian coordinate
system can be given by: [(x1 - x2)2 + (y1 - y2)2]1/2
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Domain
• The set of all possible input values for a function or relation.
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Hypotenuse
• The side opposite the right angle in a right triangle.
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Legs of a right Triangle
• Either of the sides in a right triangle opposite an acute angle. The legs are the two shorter sides of the triangle.
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Range
• The difference between the maximum and minimum values in a set of data.
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Slope
• Another name for gradient.
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Prism
• A space figure with two parallel polygonal bases that are the same shape and the same size.
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Scatterplot
• Data that is plotted as points on a graph to show a possible relationship between two sets of data.
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Slope intercept form
• y = mx + bThis is called the
slope-intercept form because "m" is the slope and "b" gives the y-intercept. (For a review of how this equation is used for graphing, look at slope and graphing.)