Math Vocabulary Keydron Stuckey 2-20-2013 1 st Period.
Transcript of Math Vocabulary Keydron Stuckey 2-20-2013 1 st Period.
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Math Vocabulary
Keydron Stuckey
2-20-2013
1st Period
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1. integer
• any of the natural numbers, the negatives of these numbers, or zero
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2. rational number
• a number that can be expressed as an integer or the quotient of an integer divided by a nonzero integer
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3. scientific notation
• a widely used floating-point system in which numbers are expressed as products consisting of a number between 1 and 10 multiplied by an appropriate power of 10 (as in 1.591 × (10)−20 or 1.591 × 10 − 20)
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4. perfect square
• an integer (as 9 or 36) whose square root is an integer
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5. irrational number
• a number that can be expressed as an infinite decimal with no set of consecutive digits repeating itself indefinitely and that cannot be expressed as the quotient of two integers
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6. real numbers
• a number that has no imaginary part <the set of all real numbers comprises the rationals and the irrationals>
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7. Density Property
• the quantity per unit volume, unit area, or unit length: as
• a: the mass of a substance per unit volume
• b: the distribution of a quantity (as mass, electricity, or energy) per unit usually of space (as length, area, or volume)
• c: the average number of individuals or units per space unit <a population density of 500 per square mile> <a housing density of 10 houses per acre>
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8. Adjacent angles
• having the vertex and one side in common
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9. Coefficient
• any of the factors of a product considered in relation to a specific factor; especially: a constant factor of a term as distinguished from a variable
• a number that serves as a measure of some property or characteristic (as of a substance, device, or process) <coefficient of expansion of a metal>
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10. Distance Formula
• The distance formula can be obtained by creating a triangle and using the Pythagorean Theorem to find the length of the hypotenuse. The hypotenuse of the triangle will be the distance between the two points
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11. Domain
• The set of all possible input values for a function or relation.
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12. Hypotenuse
• The side opposite the right angle in a right triangle.
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13. Legs of a right Triangle
• Either of the two sides that form the right angle in a right triangle or one of the two congruent sides in an isosceles triangle.
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14. Rational Number
• A number that can be written as a fraction, or as finite or repeating decimals.
• The square root of 2 (1.414 213 6...) is not a rational number.
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15. Range
• The difference between the maximum and minimum values in a set of data.
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16. Slope
• Another name for gradient
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18. Prism
• A polyhedron with two parallel, congruent polygons being its bases and all the other faces being parallelograms.
• The line joining the centers of the bases is called the axis of the prism. When the axis is at right angles to the base, the prism is called a right prism. In this case, the lateral faces are rectangles. Otherwise, it is called an oblique prism.
• A prism is also classified based on the type of its base. It is called a triangular prism when it has triangular bases. Many of the glass prisms used in optical instruments possess this shape. A prism is called a quadrangular prism when it has a quadrilateral base. The cube is a quadrangular prism with square bases and square lateral faces.
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19. Scatter plot
• Data that is plotted as points on a graph to show a possible relationship between two sets of data.