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The Coordinate Plane

The Coordinate Plane. Math. What is the Coordinate Plane?.

stephen-maldonado
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The Coordinate Plane

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  1. The Coordinate Plane Math

  2. What is the Coordinate Plane? • A Coordinate Plane is a plane consisting of a set of two lines intersecting (crossing) each other at right angles. The horizontal line is the X-axis and the vertical one is the Y-axis, and the point of their intersection is called the origin with the coordinates( being equal in rank, quality, or importance) (0, 0).

  3. What is a number line? • A number line is a picture of a straight line on which every point is assumed to correspond ( relate) to a real number and every real number to a point. The arrows at the ends of the lines show that the line keeps on going.

  4. What are positive and negative numbers? • A positive number is a real number greater than zero. Zero itself is not positive. • A negative number is a real number less than zero.

  5. What is a axis? • An axis a number line that gives motion through positive numbers, negative numbers, and zero as mapped on a graph.

  6. What is a origin? • The origin is the beginning of something’s existence. The origin is also the point where the x and y axis intersects (crosses).

  7. What is the x- axis? • The x-axis is the horizontal line.

  8. What is the y-axis? • The y-axis is a vertical line.

  9. What are Quadrants? • The two axes divide the plane into four sections called “quadrants”. The quadrants are labeled with Roman numerals, starting at the positive x-axis and going around anti-clockwise. • These are Roman numerals:

  10. Quadrant 1 • When reading quadrant 1, both of the numbers will be positive (+, +), (3, 4).

  11. Quadrant 2 • When reading numbers in quadrant 2, the first number will be negative and the second number will be positive (-, +), (-2, 1).

  12. Quadrant 3 • When reading numbers in quadrant 3, the first number will be negative and the second number will be negative (-, -), (-6, -3).

  13. Quadrant 4 • When reading quadrant 4, the first number will be positive and the second number will be negative ( +, -), ( 4,-4).

  14. What are ordered pairs? • An ordered pair is a pair of numbers used to locate a point on a Coordinate plane. An ordered pair is written in the form (x, y) where x is the x-coordinate and y is the y-coordinate. You should always read the x-axis first and then the y-axis when plotting ordered pairs on the Coordinate plane.

  15. The four quadrants and the origin

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