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Tennessee Academic Vocablary. Absolute Value. Equals the distance from that number to zero on a number line. Additive Inverses. The opposite of a number. The sum of a number and its additive inverse is 0. Box & Whisker Plot.
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Absolute Value • Equals the distance from that number to zero on a number line.
Additive Inverses • The opposite of a number. • The sum of a number and its additive inverse is 0.
Box & Whisker Plot Shows the distribution of a set of data along a number line, dividing the data into four parts using the median and quartiles.
Coefficient • The number which is multiplied by one or more variables or powers of variables in an algebraic expression.
Cube Root • A number n whose cube equals nᵌ
Function • A relationship in which each member of the domain has a unique range
Function Notation • These mathematical statements all mean the same! • y= 2x + 3 • f(x) = 2x + 3 • g(x) = 2x + 3 • h(a) = 2a + 3 • The typical notation for a function is f(x). This is read as “f of x”. This does NOT mean f times x. This is a special notation used only for functions! However, f(x) is not the only variable used in function notation! You may see g(x), or h(x), or even b(a).
Greatest Common Divisor (GCD) • The greatest common divisor is the largest number that divides two or more integers
Greatest Common Factor • The largest of the common factors of two or more numbers.
Histograms • A bar graph that show the frequency of data for intervals.
Intercepts • An x-intercept is a point on the graph where y is zero • A y-intercept is a point on the graph where x is zero.
Interquartile range • The difference between the upper quartile and the lower quartile in a set of data.
Least Common Multiple • The least whole number greater than 0 that is a multiple of each of two or more numbers.
Linear Equation • An equation that can be represented as a straight line on a graph.
Negative exponents • A negative exponent means how many times to divide by the number. 8-2
Perfect Square • The product of a whole number multiplied by itself. • 4 squared = 4 x 4 = 16
Property • Rules that enable you to solve problems in algebra. • Commutative property • Associative property • Distributive property
Proportional Relationships • A relationship between inputs to outputs in which the ratio of inputs and outputs is always the same.
Quartile • The values that divide a list of numbers into quarters.
Scatter Plots • A graph that shows the relationship between two quantities.
Scientific Notation • A number written as the product in which the first factor is greater than or equal to 1 and less than 10 and the second factor is a power of 10.
Slope • A number that shows how much a line tilts; for a nonvertical line the slope equals the change in y divided by the change in x.
Square Root • A number n whose square equals n2.
Unit Rate • A rate in which the second measurement or amount is 1 unit.