Purple Math
Purplemath: X and Y Intercepts
This lesson from Purplemath.com explains how to find x and y intercepts then shows exmples.
Cool Math
Coolmath: Graphing Rational Functions X and Y Intercepts
Find out how to find the x and y-intercepts when graphing rational functions.
Northeast Parallel Architectures Center, Syracuse University
Npac Reu Program: Intercepts
The Northeast Parallel Architecture Center at Syracuse University provides a lesson on finding the x-intercepts and y-intercepts of equations.
Texas Instruments
Texas Instruments: Graphic Line Designs
Students can use the x- and y-intercepts to find the equations of lines and create a line design using the slope-intercept form and the limited domain of the segment.
Khan Academy
Khan Academy: Intercepts From a Linear Equation
In this exercise, students practice finding intercepts from a linear equation. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Texas Instruments
Texas Instruments: Rational Functions
In this set of questions, students are asked to investigate rational functions to find vertical, horizontal, and oblique asymptotes as well as x- and y-intercepts. Questions are multiple choice and true/false with solutions provided.
Khan Academy
Khan Academy: Intercepts From a Graph
In this exercise, students practice finding intercepts from a graph. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Intercepts From a Table
Find the intercepts of a line given a table of values. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Texas Instruments
Texas Instruments: That's a Stretch Ti 83
Students determine the relationship between the stretch of a spring and the number of weights in a cup suspended from the spring. They find the Y-value of a function if the X-value is provided. They use technology to plot a set of...
Wolfram Research
Wolfram Math World: Plane
This site defines a plane in terms of geometric surfaces. Content includes formulas for a plane using the normal vector, how to find the x, y, and z intercepts of a plane, distance from the origin, point plane distance formula, dihedral...
CK-12 Foundation
Ck 12: Algebra: Quadratic Functions and Their Graphs
[Free Registration/Login may be required to access all resource tools.] This lesson covers how to find the x-intercepts, vertex, axis of symmetry, and y-intercept of a parabola.