Coordinate Plane Sections 1.3, 3.3-3.4.

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Presentation transcript:

Coordinate Plane Sections 1.3, 3.3-3.4

Parts of Coordinate Plane y-axis (-5, 3) I II origin x-axis III IV

Graphing on Coordinate Plane Given an ordered pair, graph it. Given a graph, name the ordered pair. Identify the location of a point. quadrant axes

Distance and Midpoint Sections 1.3

Distance On a coordinate plane Finding the length of a line segment. On a number line On a coordinate plane

Distance On a number line formula: d = | x2 – x1 | On a coordinate plane formula:

Midpoint On a coordinate plane Finding the location of the midpoint of a line segment. On a number line On a coordinate plane Remember… A midpoint is a location of the midpoint.

Midpoint On a number line formula: On a coordinate plane formula:

Slope and Linear Equations Sections 3.3-3.4

Slope Slope is the steepness of a line. It is represented by rise over run. Formula -

Special Slopes Horizontal lines Slope = zero Vertical lines Slope = undefined Parallel lines Slopes are the same. Intersecting lines Slopes are different and not perpendicular. Perpendicular lines Slopes are the negative reciprocal of each other.

y = mx + b Slope-intercept Form y-intercept Plot a point on the y-axis using the y-intercept value.

Application Parallelograms Trapezoids Circles Finding endpoint of a segment Graphing linear equations Parallel & perpendicular slopes/lines x and y-intercept