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Chapter 2 Algebra 2 Flashcards

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5357221394COMPRESSA term used informally to describe the relationship of a graph to its parent graph when the graph increases or decreases more slowly than the parent.0
5357221395DILATIONA transformation which vertically compresses or stretches the graph of a function.1
5357221396DOMAINThe set of all input values for a relation or function.2
5357221397EVEN FUNCTIONA function where f(−x) = f(x) for all values of x defined for the function. The graph of the function will be symmetric about the y-axis.3
5357221398FUNCTIONA relationship in which for each input value there is one and only one output value4
5357221399GENERAL EQUATIONIf y = f(x) is a parent equation, then the general equation for that function is given by y = af(x − h) + k where (h, k) is the point corresponding to (0, 0) in the parent graph.5
5357221400GRAPHING FORMA form of the equation of a function or relation that clearly shows key information about the graph.6
5357221401HORIZONTAL SHIFTUsed with parent graphs and general equations for functions and relations such as y = a(x − h)2 + k.7
5357221402ODD FUNCTIONA function where f(−x) = −f(x) for all values of x defined for the function. The graph of the function will be symmetric about the origin.8
5357221403PARAMETERIn a general equations where x and y represent the inputs and outputs of the function, variables such as a, b, c, m, h, and k are often referred to as parameters, and they are often replaced with specific values.9
5357221404PARENT GRAPHThe simplest version of a family of graphs.10
5357221405PIECEWISE FUNCTIONA function composed of parts of two or more11
5357221406RANGEAll possible outputs for a function.12
5357221407REFLECTIONA type of symmetry where one half of the image is a reflection across a line of the other half of the image. You can fold the image on the line of symmetry and have both halves match exactly.13
5357221408STANDARD FORM (QUADRATIC)the equation of a quadratic function is y = ax2 + bx + c where a ≠ 0.14
5357221409STRETCH FACTORUsed to describe the effect of a in the graphing form of a quadratic, cubic, absolute value, or exponential function.15
5357221410TRANSFORMATIONThe conversion of a function to a corresponding function.16
5357221411TRANSLATIONThe result of moving a graph horizontally, vertically, or both but without changing its orientation.17
5357221412VARIABLEA symbol used to represent one or more numbers.18
5357221413VERTEXthe highest or lowest point on the parabola (depending on the parabola's orientation).19
5357221414VERTICAL SHIFTUsed to describe the location of a graph in relation to its parent graph, the shift is the distance (up or down) of each point on the graph from the corresponding point on the parent graph.20

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