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Math 8 Vocabulary

27 pt Quiz Review

QuestionAnswer
ratio the comparison of two values
proportion mathematical sentence in which two ratios are set equal to each other
similar in proportion
variable letter used to represent an unknown value
exponent number used to show how many times another number (base) is used to multiply by itself
coefficient integer or rational number that is multiplied by a variable
like terms terms that have the same variables raised to the same powers
monomial number, a variable, or the product of a number and one or more variables
binomial polynomial with two terms
trinomial polynomial with three terms
polynomial algebraic expression that is the sum or difference of terms
additive inverse opposite of a number
integers set of whole numbers and their opposites
absolute value number of units (distance) from zero
congruent equal measures
parallel constant distance apart, never intersecting
perpendicular intersecting at a right angle
acute angle an angle whose measure is greater than 0 degrees and less than 90 degrees
obtuse angle an angle whose measure is greater than 90 degrees and less than 180 degrees
right angle an angle whose measure is equal to 90 degrees
adjacent next to
vertical angles two non-adjacent angles formed from two intersecting lines, are opposite each other across a common vertex, are congruent to each other
corresponding angles a pair of non-adjacent angles, on the same side of the transversal line and in the same position (above or below) their parallel line
alternate interior angles a pair of non-adjacent angles, both inside a pair of parallel lines and on opposite sides of the transversal line, are congruent to each other
alternate exterior angles a pair of non-adjacent angles, both outside a pair of parallel lines and on opposite sides of the transversal line, are congruent to each other
complementary angles two angles whose measures have a sum equal to 90 degrees
supplementary angles two angles whose measures have a sum equal to 180 degrees
Created by: jslowinski