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# Category 2 Vocab

### Key terms from the TEKS in Category 2

TermDefinition
Attributes A quality or feature regarded as a characteristic of something; A property
Linear function An equation that makes a straight line when graphed; Possesses a constant rate of change or slope
Quadratic function An equation where the highest exponent of the variable (usually x) is squared (power of 2)
Parent function A basic function that is the building block form more complicated functions (y = x; y = x^2)
Domain The values that go INTO a function (x values)
Range The output values of a function (y values)
Continuous Data Data that can be any value (Ex: A person's height can be any positive real number)
Discrete Data Data that can only have certain values (Ex: The number of students can only be positive whole numbers - can have 1/2 a student or negative students)
Scatter Plot A graph of plotted points that show the relationship between two sets of data
Positive Correlation When BOTH the x values and the y values INCREASE
Negative Correlation When the x values increase, the y values decrease
No Correlation When no relationship exists between the data sets
Line of Best Fit The line closest as possible to all points in a data set
Created by: alyssahowell