Call Now: (800) 537-1660

June 20th

June 20th

# Coordinate System

 Coordinate Plane/System: combines two real number lines perpendicular to each other and that intersect at 0 on each line. René Descartes: The great French mathematician/philosopher who developed the coordinate system. He lived from 1596-1650. Axes: the x-axis and y-axis in a coordinate system. Origin: the point at which the x and y axes intersect. Quadrants: the four regions created by the intersection of the axes. Coordinates: an ordered pair that indicates a point of location.

Signs of Coordinates in the Plane

In Quadrant 1, the x-coordinate and y-coordinate are both positive.

In Quadrant 2, the x-coordinate is always negative and the y-coordinate is always positive.

In Quadrant 3, the x-coordinate and y-coordinate are both negative.

In Quadrant 4, the x-coordinate is always positive and the y-coordinate is always negative.

On the x-axis, the y-coordinate is always 0.

On the y-axis, the x-coordinate is always 0.

Free Tutoring
• Get 30 Minutes of FREE Live Tutoring from Tutor.com if you

Testimonials
"I ordered the Algebra Buster late one night when my daughter was having problems in her honors algebra class. After we ordered your software she was able to see step by step how to solve the problems. Algebra Buster definitely saved the day."
Tami Garleff

Home    Why Algebra Buster?    Guarantee    Testimonials    Ordering    FAQ    About Us
What's new?    Resources    Animated demo    Algebra lessons    Bibliography of     textbooks