## www.galwaymathsgrinds.com Revision Crossword

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**4.**In a right triangle, the ratio of the opposite side to the adjacent side.**7.**Statistical measure that shows how pairs of variables are related.**10.**Another name for the x coordinate.**12.**The likelihood of an event occurring.**14.**A region of a circle often called a pie slice.**16.**A set of data involving one variable.**17.**A sentence stating two expressions are equal.**18.**Distance around the outside.**19.**The average.**21.**An equation that contains more than one variable.**25.**The ratio of vertical change to horizontal change.**26.**Data involving two variables.**28.**A first degree equation.**30.**Polygon with 10 sides.**31.**An angle whose measure is less than 90 degrees.**32.**To use given data to estimate a value between known values.**36.**Data that occurs most frequently in a data set.**37.**A solution to an equation f(x)=0.**38.**A quadrilateral with exactly one pair of parallel sides.**39.**A relation where each x value has only one y value.**40.**Another name for the x coordinate.**42.**Polygon with 9 sides.

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**1.**Set of points equidistant from a given point.**2.**The mathematical symbol designated by an exclamation mark.**3.**Coplanar lines that do not intersect.**5.**A type of notation used to express very large or very small numbers.**6.**A polynomial with exactly three terms.**7.**The elements of a universe not contained in a given set.**8.**Polygon with 5 sides.**9.**Set of numbers {...-3,-2,-1,0,1,2,3,...}**10.**Polygon with 8 sides.**11.**The longest side in a right triangle.**13.**type of equation in which the highest index is 2.**15.**half a diameter**20.**A unit for measuring fluid volume.**21.**The middle of an arranged data set.**22.**A type of diagram showing relationships among sets.**23.**To use given data to estimate a value beyond the known values.**24.**In a right triangle, the ratio of adjacent side to hypotenuse.**27.**A quantity whose value changes.**29.**A probability based the assumption that some event that has already occurred.**33.**Polygon that is both equilateral and equiangular.**34.**chord through centre of circle**35.**Polygon with six sides.**41.**A number or expression that is raised to a power.