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Y-Intercept of A Line

How the equation of a line relates to the graph of its y-intercept

y-intercept practice problems | slope of a line |interactive slope| slope intercept form
The Y-Intercept of a line is the point where a line's graph intersects (crosses) the Y-axis.
  • A y-intercept of 3 means that a line's graph intersects the Y-axis at the point (0,3).
  • A  y-intercept of  -4 means that the graph of a line crosses the Y-axis at the point (0,-4).




Example of the Y-Intercept picture of y-intercept of linear equation

 

 

In the diagram on the left, the y-intercept is 2 which is the point (0,2).

Practice Problems

Identify the Y-intercept below



y-intercept of a lineWhat is the Y-intercept of the line pictured on the left?
Answer

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