# MATH-KAL

## MATH-TEACHER Educational Software — Coordinate Geometry - Points, Line, Circle

### Math at your own pace # Coordinate Geometry Points, line, circle

Subject 1: Points of a plane, coordinates, slope through two points, midpoint, distance between two points.

• Level 1 : Identify a point and its coordinates
• Level 2 : Find the midpoint of a segment
• Level 3 : Find an endpoint of a segment
• Level 4 : Find the slope of a line passing through two points
• Level 5 : Check if three points are on the same line
• Level 6 : Find the distance between two points

Subject 2: The line y = ax + b, the coefficients, forming an equation.

• Level 1 : Implicit and explicit equation
• Level 2 : The point-slope equation of a line
• Level 3 : Equation of a line through two points
• Level 4 : Equation of a line parallel to a given line
• Level 5 : Equation of a line perpendicular to a given line
• Level 6 : Intersection point of two lines
• Level 7 : Advanced problems

Subject 3: The circle x² + y² = R², (x - a)² + (y - b)² = R², tangent, intersection with a line, circle through three points.

• Level 1 : Center, radius, length and area of a circle
• Level 2 : Equation of a circle given the center and the radius. Checking the location of a point: outside and inside a circle.
• Level 3 : Equation of a circle given a diameter
• Level 4 : Equation of the tangent at a given point
• Level 5 : Find one coordinate of a point given the other
• Level 6 : Intersection of a circle and a line
• Level 7 : Center of a circle through three points About Us | Site Map | Privacy Policy | Contact Us | ©2003 4:20 Communications, Inc.