y-intercept

Pronunciation: /ˈwaɪ ˈɪn tərˌsɛpt/ ?

A y-intercept is a point at which a graph crosses the y-axis. Any point on the y-axis has an x value of 0. A graph of a function has only one y-intercept (see vertical line test). Click on the blue graph in manipulative 1 and drag it to change the figure.

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Manipulative 1: y-Intercept. Created with GeoGebra.

Cite this article as:


y-intercept. 2008-09-16. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/y/yintercept.html.

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2008-09-16: Changed image to manipulative (McAdams, David.)
2007-07-12: Initial version (McAdams, David.)

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