## MCT2 7th and 8th Math Study Terms Set 1 (A-C)

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mgwoodruff  on April 13, 2010

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# MCT2 7th and 8th Math Study Terms Set 1 (A-C)

 absolute valueThe distance from 0 on a number line.
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#### Definitions

absolute value The distance from 0 on a number line.
acute angle An angle that has a measure less than 90°.
acute triangle A triangle with 3 acute angles.
additive inverse The sum of a number and its opposite is equal to zero.
adjacent angles Two angles that have the same vertex and a common ray, but no interior points in common.
alternate exterior angles Nonadjacent exterior angles found on opposite sides of the transversal.
alternate interior angles Two angles that are on opposite sides of a transversal and between the two lines.
Angle A figure formed by two rays that share an endpoint.
Area The number of square units needed to cover a region or figure.
associative property of addition Changing the grouping of the addends does not change the sum.
associative property of multiplication Changing the grouping of the factors does not change the product.
Base A number raised to an exponent or a flat face of a cylinder, any side of a parallelogram or triangle, or one of the congruent faces of a prism.
Binomial A polynomial with exactly 2 terms.
center The point inside a circle that is an equal distance from all points on the circle.
certain Refers to an event that must happen in a probability experiment.
circle A plane figure having all points the same distance from a fixed point called the center.
Circumference The distance around a circle.
coefficient The factor in a term that is a number.
commutative property of addition Changing the order of the addends does not change the sum.
commutative property of multiplication Changing the order of the factors does not change the product.
complementary angles Two angles whose measures have a sum of 90°.
composite figure A figure composed of two or more figures.
compound event A series of two or more simple events.
cone A pointed solid figure with a circular base.
congruent Having the same size and shape as another figure.
constant A monomial that does not contain a variable.

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