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18 Cards in this Set
- Front
- Back
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x-axis
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The line on a graph that runs horizontally (left-right) through zero.
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y-axis
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The line on a graph that runs vertically (up-down) through zero.
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orgin
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On the coordinate plane, the point (0, 0). That is, the point of intersection of the x- and y-axes.
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quadrants
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The four sections into which the x-y plane is divided by the x- and y-axes.
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x-coordinate
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The horizontal value in a pair of coordinates: how far along the point is. The X Coordinate is always written first in an ordered pair of coordinates (x,y), such as (12,5).
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y-coordinate
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The vertical value in a pair of coordinates. How far up or down the point is. The Y Coordinate is always written second in an ordered pair of coordinates (x,y) such as (12,5).
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x-intercept
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A point at which a graph intersects the x-axis.
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y-intercept
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A point at which a graph intersects the y-axis.
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undefined slope
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The "slope" of a vertical line.
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positive slope
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A line is increasing if it goes up from left to right. The slope is positive.
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negative slope
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A line is decreasing if it goes down from left to right. The slope is negative.
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parallel line
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Two lines on a plane that never meet. They are always the same distance apart.
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perpendicular line
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Lines that are at right angles (90°) to each other.
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half-plane
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a region consisting of all points on one side of an infinite straight line, and no points on the other side.
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standard form for the equation of a line
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Ax + By = C
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Slope-Intercept Equation of a Line
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y = mx + b
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Point-Slope Equation of a Line
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y – y1 = m(x – x1)
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Monkey With A Hat On |
If you've enjoyed my flash cards come check out the theater company I work for. We're home of Portland's 10 Minute Play Festival and many other smaller productions. Every show is a blast and tickets are always $5! www.monkeywithahaton.com |
