My Definition

Key Characteristics

The following are true of the y-intercept:

  • It is a point on the graph located on the y-axis.

  • It is indicated by an ordered pair in the form (0, b).

  • It is expressed as a single coordinate.

  • It is where a graphed line intersects the y-axis.

  • It is indicated algebraically by the variable, b, in the formula y = mx + b.


Click on this link to see examples of y-intercept.

Y-intercept Activity


The x-intercept is −6 and is located at (−6,0).
Y-intercept Non-example

TEKS: 6(4)(A), 6(6)(C), 7(7)(A), 8(4)(C), 8(5)(I)