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Transcript

By: De’Aja Koontz 6Th Period A member of the set of positive whole numbers {1, 2, 3, . . . }, negative whole numbers {-1, -2, -3, . . . }, and zero {0}. A number that can expressed exactly by a ratio of two integers. 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 × 10 3 . A rational number that is equal to the square of another rational number. A number that cannot be exactly expressed as a ratio of two integers. A rational number or the limit of a sequence of rational numbers, as opposed to a complex number. 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. Two angles that have the same vertex and a side in common. a number or quantity placed (generally) before and multiplying another quantity, as 3 in the expression 3x. 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. The set of all possible input values for a function or relation. The side opposite the right angle in 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. A number that can be written as a fraction, or as finite or repeating decimals. The difference between the maximum and minimum values in a set of data. Another name for gradient. 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 × 10 3 . A space figure with two parallel polygonal bases that are the same shape and the same size. Data that is plotted as points on a graph to show a possible relationship between two sets of data. the equation of a straight line in the form y = mx + b where m is the slope of the line and b is its y-intercept. The magnitude of a number regardless of its sign. Hence, the absolute value of a number "n" is always positive or zero, written as |n|. When the number "n" is represented on a number line, its absolute value is the distance from the origin to that number. A number used to indicate the number of times a term is used as a factor to multiply itself. The exponent is normally placed as a superscript after the term. The result obtained when multiplying numbers, vectors, matrices, etc. A theorem stating that in a right triangle the area of the square on the hypotenuse is equal to the sum of the areas of the squares drawn on the other two legs. A triangle in which all three interior angles are acute (less than 90°). The likelihood or chance of a given event happening. It is often expressed as a fraction or decimal. The probability that m particular events will occur out of a total of n possible events is m/n. A certainty means that, out of n possible events, all the events (n events) will happen. Therefore, a certainty has a probability of 1 (n/n = 1). Similarly, an impossibility has a probability of 0 because none will happen out of the total n possible events (0/n = 0). A number that can divide into another number with no remainder. A symbol that stands for an unknown quantity. When we make a mathematics equation out of an ordinary statement by using a variable(s), it makes the thinking process mechanized and automatic, thus making the solution process much easier. Find the value of an algebraic expression by replacing the variable(s) with the correct numerical value(s) to perform the operation. The number resulting from division. An angle with a measure between 0° and 90°. Planar figures or solid shapes that have the same shape and size. A number related to another in such a way that when these two numbers are multiplied together their product is 1. A point at which the two rays of an angle meet or the intersection point of two sides of a plane figure. A closed plane figure bounded by at least three line segments. A triangle having no two sides equal. The surface included within a closed figure, measured by the number of square units needed to cover the surface. The length of the boundary around a shape or a figure. The boundary line of a circle or the length of such a boundary line. An angle that is between 90° and 180°. A pair of angles that add up to 90°. A eight-sided polygon. A regular octagon is a polygon that has eight equal sides and eight equal angles. A polygon with five sides. A triangle one of whose interior angles is 90°. A four-sided plane figure whose four sides are equal. The numerator and denominator of a fraction that have had all common factors but 1 factored out and canceled. A line about which a curve or an object may rotate or revolve.