'Perpendicular slopes' diaporamas de présentation

Cartesian Plane and Linear Equations in Two Variables

Cartesian Plane and Linear Equations in Two Variables. Math 021. The Cartesian Plane (coordinate grid) is a graph used to show a relationship between two variables. The horizontal axis is called the x-axis. The vertical axis is called the y-axis.

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Algebra

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Wayward wednesday

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Parallel and Perpendicular Lines

Parallel and Perpendicular Lines. Parallel Lines //. All parallel lines have the same slope. Parallel lines will NEVER have the same y-intercept. The slope of all vertical lines is undefined. (No Slope) The slope of all horizontal lines is zero. Perpendicular Lines.

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Polygons in the Coordinate Plane

Polygons in the Coordinate Plane. 1. Techniques. 2. Examples. 3. Practice Problems. Distance Formula. Used to determine: Sides are congruent Diagonals are congruent. Midpoint Formula. Used to determine: Coordinates of the midpoint of a side Whether diagonals bisect each other.

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Inferring a general truth

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