Texas Instruments
Texas Instruments: Explore Graphs and Factors
Students use a graphing calculator to explore the relationship between the linear factors of a quadratic function and its zeros. They learn that the x-intercepts and axis of symmetry of a quadratic function can be determined from its...
Math Planet
Math Planet: Algebra 2: Functions and Linear Equations
Provides examples and a video lesson that illustrate functions and linear equations. [0:54]
Oswego City School District
Regents Exam Prep Center: Slopes and Equations of Lines
Explanation of linear equations and four types of slopes: positive, negative, zero, and undefined. Practice problems for the students are provided and a reinforcement activity using a graphing calculator is offered for the teacher's use.
Sophia Learning
Sophia: Comparing Linear, Quadratic, and Exponential Functions
Linear, quadratic and exponential functions have different graphs, equations, and characteristics. In this tutorial, compare the shape of linear, quadratic, and exponential curves on a graph, and explore how to identify a function as...
Illustrative Mathematics
Illustrative Mathematics: 8.f Us Garbage, Version 1
Eighth graders work with input values (the year) and output values (the amount of garbage that year) in a table about the garbage produced in the US. They study the table to answer specific questions, state whether it represents a linear...
Math Planet
Math Planet: Linear Equations in the Coordinate Plane
Gain an understanding of linear equations in the coordinate plane by viewing examples and a video lesson. [2:56]
Khan Academy
Khan Academy: Algebra I: Point Slope Form
Write equations in point-slope form given two pairs of values, and convert the equation into slope-intercept form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Illustrative Mathematics
Illustrative Mathematics: 8.f Downhill
In this task, a car is traveling down a steep hill. Students are given the function for elevation versus distance from the start and are asked to find and explain the slope and intercepts of the graph. Aligns with 8.F.B.4.