Texas Instruments
Texas Instruments: Linear Equations and Y Intercepts
These questions measure knowledge and skills: order of operations; solving equations in one variable; graphing linear equations; writing linear expressions and equations; finding the y-intercept of a linear function.
Discovery Education
Discovery Education: Web Math: Find Equation of Line Given That You Know Its Slope and Y Intercept
WebMath offers a java applet that allows you to input the slope and y-intercept of a line and gives you the equation of the line in slope-intercept form. It also gives a detailed solution using the information that you provided.
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.
Khan Academy
Khan Academy: Slope Intercept Equation From Graph
Practice finding the slope-intercept equation of a line from its graph. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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: Finding Slope Learn Check
Using the Activity Center, students will explore the characteristics of linear functions in the form y=mx+b. The major focus will be identifying slope and y-intercept.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Y Intercepts
Find a quick, concise explanation of what the y-intercept of a function is. An example is given and clearly explained.
Other
Git: What Is the Slope Intercept Form of a Line?
Not only does this site show what the slope-intercept form is, but it helps you find the slope and the intercept of a line. There is also additional information on parallel lines, parametric form, and the distance between two points.
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: 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 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.
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.
Texas Instruments
Texas Instruments: Math Today for Ti Navigator System: More Students Apply Early
Using the USA TODAY Infograph, "More students apply early," students will explore scatter plots and independent and dependent variables. Students will determine a best-fit regression model for the real-life data set and then use the...
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...
University of Regina (Canada)
University of Regina: Math Central: Introduction to Slope for Middle Years Mathematics
This collection of five middle school math lessons covers the topic of plane geometry, specifically the concept of slope. The first lesson introduces middle schoolers to plotting points on a Cartesian grid using a Geoboard. Lesson two...
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.
Other
Linear Functions, Slope and Regressions
Find activities here for linear functions, slopes and regression lines. Use them for classroom work or individual assignments.
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...
University of South Florida
Fcat: Spaghetti Bridges: Teacher Notes
Students build bridges and test their strength to collect data and write an equation. The concept of slope is explored in this activity.
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.
Texas Instruments
Texas Instruments: The Phone Bill Problem
The student is given actual data and asked to find a line of best fit and to give "real world" interpretations of the slope and y-intercept. A great introduction to the 83/84 and its features.
Texas Instruments
Texas Instruments: Explore Parallel and Perpendicular Lines
Students can use a graphing calculator to explore graphs of parallel and perpendicular lines. Students will find that parallel lines have the same slope and different y-intercepts and that the slopes of two perpendicular lines are...
CK-12 Foundation
Ck 12: Algebra: Forms of Linear Equations
[Free Registration/Login may be required to access all resource tools.] Write linear equations in standard form and find the slope and y-intercept of such lines.