Abscissa

Definition of Abscissa

Abscissa is the value of the X-coordinate on a coordinate plane.

Abscissa is the value of the horizontal axis on a coordinate plane.

Examples of Abscissa

    example of Abscissa
  • The ordered pair of point P is (1, 4). The abscissa of the ordered pair (1, 4) is 1.
  • The abscissa of the point (2, 5) is 2.

Video Examples: Abscissa


Solved Example on Abscissa

Ques: Identify the abscissa of the point D.

    example of Abscissa
    Choices:
    A. 4
    B. - 4
    C. 3
    D. 1
    Correct Answer: A

Solution:

    Step 1: The abscissa is the value of the X-axis on the coordinate plane.
    Step 2: The ordered pair of point D is (4, - 4).
    Step 3: So, the abscissa of point D is 4.