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Ms.Roland's flashcards

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
slope   the steepness of a line  
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Constant of Proportionality   the constant value of the ratio of two proportional quantities x and y  
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Direct Variation   mathematical relationship between two variables that can be expressed by an equation in which one variable is equal to a constant times the other  
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X- intercept   the x-coordinate of a point where a line, curve, or surface intersects the x-axis  
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Y- intercept   the y-coordinate of a point where a line, curve, or surface intersects the y-axis  
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Linear equation   an equation between two variables that gives a straight line when plotted on a graph  
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Unit rate   the ratio of two measurements in which the second term is 1  
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Rate of change   The ratio of the change in the output value and change in the input value of a function is called as Rate of Change  
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Slope-intercept form   an algebraic equation in which each term is either a constant or the product of a constant and a single variable  
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Proportional relationship   a relationship between inputs to outputs in which the ratio of inputs and outputs is always the same  
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Point-slope   the equation of a straight line in the form y − y1 = m(x − x1) where m is the slope of the line and (x1, y1) are the coordinates of a given point on the line  
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Intersecting lines   Lines that have one and only one point in common are known as intersecting lines  
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