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Download Glossary Term Definition equiangular triangle A triangle with three
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Glossary Term equiangular triangle Definition A triangle with three congruent angles. equilateral triangle A triangle having all three sides congruent and all three angles congruent. equivalent equations equivalent expressions Equations that have the same solution. Expressions that have the same value or that have the same mathematical meaning for all replacement values of their variables. Examples: 3 + 2 = 10 – 5, 2x + 3x = 5x equivalent fractions equivalent ratios evaluate even number even function event excluded values expanded form (or expanded notation) experimental probability exponent exponential decay exponential function exponential growth expression Fractions that have the same value. Example: 2 4 and 3 6 Two ratios that have the same value. Example: 5:4 = 10:8 Find the value of an expression. A whole number that is divisible by 2. A function whose graph is a symmetric with respect to the yaxis. A specific outcome or type of outcome. Any values of a variable that result in a denominator of 0 must be excluded from the domain of that variable. The sum of the products of each digit and its place value of a number. Example: 867 = 800 + 60 + 7 The ratio of the number of positive outcomes to the total number of events or trials in a probability experiment. A number that indicates how many times a number or expression is to be multiplied by itself. Example: In the expression 53, the exponent is 3. Exponential decay occurs when a quantity decreases exponentially over time. A function that can be described by an equation of the form y = ax, where a > 0 and a ≠ 1. Exponential growth occurs when a quantity increases exponentially over time. A mathematical combination of numbers, variables, and operations. Examples: 5 + 23, 4x, 6x + y2