Ms. Menegay Vocab Terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| parent function | all linear functions will be compared to the parent function y=x, where m=1 and b=0
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| direct variation | “varies directly” any linear function that goes through the origin has a constant of proportionality y=kx (k is a special name for slope because it is a constant).
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| parameter change | any change that is made to the slope (m) or y-intercept(b) in comparison to the parent function y=x. The change can affect the m or b, or both. This is known as a transformation.
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| linear function | has a constant rate of change, graphs as a line.
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| Slope-intercept form of a line | y= mx +b, where m is the slope and b is the y-intercept.
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| Standard Form of a line | Ax + By= C, A and B are integers, graph using intercept method
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| Point-Slope Form of a line | This is used to write an equation in slope-intercept form if you are given a slope and point.
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| Rate of change or slope | change in y over change in x OR rise over run
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| y intercept | where a function crosses the y axis known as b (0,y)
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| x intercept | where a function crosses the x axis (x ,0)
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| zero of a function | any function f(x)=0, this would be your x-intercept, when y=0.
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| function notation | written as f(x), “f of x”, same as y
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| linear inequality | ex: y>x, all points greater than the line of y=x satisfies that inequality, a shaded region on a graph.
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Created by:
bmercer
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