This presentation coversthe Cartesian coordinate plane, focusing
on plotting points, understanding coordinates, and calculating
distance and midpoints effectively.
Introduction
Definition and Components
TheCartesian coordinate plane is a two-dimensional surface defined by
the intersection of two perpendicular axes: the x-axis and y-axis.
5.
The x-axis andy-axis divide the plane into four quadrants, each
representing specific sign combinations of coordinates (x, y).
Axes and
Quadrants
6.
Uses and Applications
Thisplane is essential for graphing equations, solving geometry
problems, and visualizing mathematical relationships clearly.
Identifying Coordinates (x,y)
Every point is represented by an ordered pair (x, y), describing its
distance from the origin along the x-axis and y-axis.
9.
Plotting Procedures
To plotpoints, locate the x-coordinate on the x-axis, then move vertically
to the y-coordinate, marking the point at their intersection.
10.
Once coordinates areidentified, points are located by moving
horizontally to the x-value and vertically to the y-value,
pinpointing the exact position on the Cartesian plane.
Locating Points on the
Plane
Distance Formula Derivation
Thedistance formula is derived from the Pythagorean theorem,
calculating the straight-line distance between two points based on their
coordinate differences.
13.
Calculate horizontal andvertical distances, square these values,
sum them, and take the square root to find the exact distance
between points.
Calculating Distance
Step-by-Step
14.
Problem-Solving Examples
Apply thedistance formula to real examples, such as finding the length
between given points to illustrate practical use and accuracy.
Midpoint Formula Explanation
Themidpoint is the point that divides a segment into two equal parts. It
is calculated as the average of the x-coordinates and y-coordinates of the
endpoints.
17.
Add the x-coordinates,divide by two, do the same for y-
coordinates; the result is the midpoint coordinates on the
Cartesian plane.
Calculation
Methods
18.
Practical Applications inGeometry
Midpoints are used in design, construction, and navigation for creating
balanced segments and central points in various geometric contexts.
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