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# OGT Math Terms

An angle whose measure is greater than 0 degrees and less than 90 degrees. Acute
An angle whose vertex is the center of a circle and is the same plane as the circle. Central angle
The numeric factor in a term. Coefficient
In a given shape, all angles have the same measure. Equalangular
In a given shape, all sides have the same length. Equilateral
The value of y on the coordinate plane where x=0, called the y-intercept. The value of x on the coordinate plane where y=0, called the x-intercept. InterceptsOn a circle, an arc that is lar
An operation that will undo another operation. Inverse operations
Numbers that cannot be written as a ratio or two integers. The decimal form of the number never terminates and never repeats. Irrational numbers
A triangle with at least two congruent sides. Isoseles triangle
A line drawn in the midst of the points on a scatter plot in an attempt to estimate the mathmatical relationship between the variables used to generate the plot. Line of best fit
On a circle, an arc that is larger than a semicircle and its measure is greater than 180 degrees. Major arc
Numbers that provide information about the cluster and average of a collection of data. Measures of center
The sum of a set of numbers divided by the number of elements in the set. Mean
The number or object that appears most frequently in a set of numbers or objects. Mode
The middle number or item in a set of numbers or objects arranged from least to greatest, or the mean of the two middle numbers when the set has two middle numbers. Median
An arc that is less than a semicircle of 180 degrees. Minor arc
An angle measure greater than 90 degrees and less than 180 degrees. Obtuse angle
The ratio of favorable outcomes to unfavorable outcomes. Odds of an event
Lines in the same plane that do not cross, the distance between the lines in constant. Parallel lines
Lines that intersect at one point forming 90 degrees. Perpendicular lines
A closed figure formed from line segments that neet ony at their endpoints. Polygon
The chance of an event occurring. Probability
Any number that can be writtn in the form a/b, where a and b are integers. Rational numbers
Relating to 90 degrees. Right
A value that will satisfy the equation which has been formed by putting an expression, containing one variable, equal to zero. Roots of equations
A triangle that has no congruent sides. Scalene triangle
An operation that creates an image from an original figure, or preimage. Transformation
A transformation that results in a mirror image of the original shape. Reflection
A transformation about a fixed point such that every point in the object turns through the same angle relative to that fixed point. Rotation
When an image is formed by moving every point on a figure the same distance in the same direction. Translation
This preserves the shape of a figure, but allows the size to change. Dilation
The solutions of a function or the x-intercepts. Zeros of a function
Created by: psnider@limacity

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