Vocab words used in Algebra HSA questions
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| a mathematical statement that shows two expressions are equal | Equation
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| a geometric figure that goes straight through a set of points | Line
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| an algebraic statement that contains a constant value and a rate that forms a line | Linear Equation
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| a letter that is used to represent an unknown quantity | Variable
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| a line that has all the same x-coordinates, goes up and down | Vertical Line
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| a mathematical statement that shows two expressions are less than or greater than | Inequality
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| a set of two or more equations that each contains variables | System of equations
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| two lines that never cross or overlap | Parallel
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| two lines that intersect at a ninety degree angle | Perpendicular
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| an equation that is used to determine the solution to real-world situation by plugging in values for a rule | Formula
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| a mathematical object that is an array of numbers that can be used to describe a real-world situation. | Matrix
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| things that are arranged by a rule can be with addition, subtraction, multiplication, division, pictures, or expressions | Pattern
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| for each x there is only one y value (vertical line test) | Function
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| a pattern that has a constant rate of change | Linear (y = mx + b)
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| “x-squared” or “x to the second power” increases by odds 1, 4, 9, 16, 25, … | Quadratic
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| “x to the third power” 1, 8, 27, 64, 125, … | Cubic
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| a way to organize data to see the relationship between x and y | Table
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| a visual way to organize data to see the relationship between x and y | Graph
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| a mathematical statement that contains variables, addition, subtraction, multiplication, or division | Expression
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| the highest point on a graph | Maximum
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| the lowest point on a graph | Minimum
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| where the graph crosses the x-axis also known as roots | Zeros
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| where the graph crosses the y-axis | y-intercept
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| the unit at which the y changes for one unit of x as known as slope | Rate of Change
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| the set of x values for a graph | Domain
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| the set of y values for a graph | Range
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| the state of graph where there are no breaks or holes | Continuity
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| a way to pair an x-value with its y-value to plot on a graph | Coordinates
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| To use given information to forecast an outcome | Prediction
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| A way to make a prediction where two ratios are used to solve for an unknown. | Proportion
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| A way to make a prediction where an event is set up using random numbers to match the given probability | Simulation
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| A way to make a prediction when there seems to be a linear trend by plugging numbers into an equation | Line of Best Fit
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| A branch of mathematics that deals with collecting, organizing and analyzing data. | Statistics
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| A type of sampling that ensures everyone in equally likely to be chosen and independently chosen | Simple Random Sample
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| A type of sample that requires all groups of interest are included. | Representative
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| Mean, median, and mode for a set of data | Measures of Central Tendency
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| The average of a set of numbers/data. | Mean
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| The middle number of a set of ordered numbers/data. | Median
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| The number(s) that occur the most often is a set of numbers/data. | Mode
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| A way to describe how much a set of data changes from on another using the range, quartiles, and interquartile range. | Measures of Variablty
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| The highest number minus the lowest number used to describe the spread of the data. | Range (Stats)
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| The upper quartile minus the lower quartile used to describe the spread of the middle 50% of the data. | Interquartile Range
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| The numbers that show where each section of 25% end in a set of data | Quartiles
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