Texas Instruments
Texas Instruments: Getting Started With the Ti Navigator: Quadratic Equations
This lesson introduces students to Activity Center and is intended to help students write systems of equations in standard form in slope intercept form to solve the system using tables and graphs.
Khan Academy
Khan Academy: Represent Linear Systems With Matrix Equations
Represent systems of two linear equations with matrix equations by determining A and b in the matrix equation A*x=b. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Illustrative Mathematics
Illustrative Mathematics: The Intersection of Two Lines
The purpose of this task is to introduce students to systems of equations. It takes skills and concepts that students know up to this point, such as writing the equation of a given line, and uses it to introduce the idea that the...
Interactive Mathematics
Interactive Mathematics: Find Equation of a Quadratic Function From Its Graph
A detailed explanation of how to find a quadratic equation from its graph using different methods, including using software.
CK-12 Foundation
Ck 12: Algebra: Write an Equation Given Two Points
[Free Registration/Login may be required to access all resource tools.] Learn how to write an equation given two points
CK-12 Foundation
Ck 12: Algebra: Write an Equation Given the Slope and a Point
[Free Registration/Login may be required to access all resource tools.] Learn how to write the equation of a line given the slope and any point.
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.
CK-12 Foundation
Ck 12: Algebra: Families of Lines
[Free Registration/Login may be required to access all resource tools.] Learn how to express families of linear equations.
Alabama Learning Exchange
Alex: Equations Gone Crazy
In this lesson, learners will work with one-step and two-step equations. They will create and solve both types of equations. Students will also research ancient number systems and write, solve and check their equations using the ancient...
CK-12 Foundation
Ck 12: Algebra: Writing and Solving a Matrix Equation
[Free Registration/Login may be required to access all resource tools.] This lesson covers using a matrix equation to solve a system of linear equations.
Texas Instruments
Texas Instruments: Math Today for Ti Navigator System Paying College Tuition
Students will write exponential equations based on the percent of increase of college costs and will graph and interpret these equations. Students will then use an inflationary equation based on the USA TODAY Snapshot, "Paying college...
Illustrative Mathematics
Illustrative Mathematics: A sse.b.3.b: Rewriting a Quadratic Expression
The goal of this task is to complete the square in a quadratic expression in order to find its minimum or maximum value. Aligns with HSA-SSE.B.3.b.
TeachEngineering
Teach Engineering: Bone Mineral Density and Logarithms
Students examine an image produced by a cabinet x-ray system to determine if it is a quality bone mineral density image. Students write in their journals about what they need to know to be able to make this judgment. Students learn about...