 ## CCSS.MATH.CONTENT.HSA.REI.C.6 ## HSA.SSE.B.3.A

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## VIDEO: Algebra Applications: Systems of Equations

### In this episode of Algebra Applications, students explore various scenarios that can be explained through the use of systems of equations. Such disparate phenomena as profit and loss, secret codes, and ballistic missile shields can be explored through systems of equations. This video includes a Video Transcript: https://www.media4math.com/library/video-transcript-algebra-applications-systems-equations ## VIDEO: Algebra Applications: Systems of Equations, Segment 1: Profit and Loss

### Profit and loss are the key measures in a business. A system of equations that includes an equation for income and one for expenses can be used to determine profit and loss. Students solve a system graphically. This video includes a Video Transcript: https://www.media4math.com/library/video-transcript-algebra-applications-systems-equations-segment-1-profit-and-loss A Promethean Flipchart is available for this video: https://www.media4math.com/library/promethean-flipchart-algebra-applications-profit-and-loss ## VIDEO: Algebra Applications: Systems of Equations, Segment 2: Encryption

### Secret codes and encryption are ideal examples of a system of equations. In this activity, students encrypt and decrypt a message. This video includes a Video Transcript: https://www.media4math.com/library/video-transcript-algebra-applications-systems-equations-segment-2-encryption A Promethean Flipchart is available for this video: https://www.media4math.com/library/promethean-flipchart-algebra-applications-encryption ## VIDEO: Algebra Applications: Systems of Equations, Segment 3: Ballistic Missiles

### A ballistic missile shield allows you to shoot incoming missiles out of the sky. Mathematically, this is an example of a linear-quadratic system. Students graph such a system and find the points of intersection between a line and a parabola. This video includes a Video Transcript: https://www.media4math.com/library/video-transcript-algebra-applications-systems-equations-segment-3-ballistic-missiles A Promethean Flipchart is available for this video: https://www.media4math.com/library/promethean-flipchart-algebra-applications-ballistic-missiles ## VIDEO: Algebra Nspirations: Solving Systems of Equations

### Written and hosted by internationally acclaimed math educator Dr. Monica Neagoy, this video introduces students to systems of linear equations in two or three unknowns. To solve these systems, the host illustrates a variety of methods: four involve the TI-Nspire (spreadsheet, graphs and geometry, matrices and nSolve) and two are the classic algebraic methods known as substitution and elimination, also called the linear combinations method. The video ends with a summary of the three possible types of solutions. Concepts explored: equations, linear equations, linear systems. This video includes a video transcript: https://media4math.com/library/video-transcript-algebra-nspirations-solving-systems-equations A Promethean Flipchart is available for this video: https://www.media4math.com/library/promethean-flipchart-algebra-nspirations-systems-equations ## VIDEO: Algebra Nspirations: Solving Systems of Equations, Segment 1

### In this Investigation we solve a linear system. This video is Segment 1 of a 4 segment series related to Algebra Nspirations: Solving Systems of Equations. Segments 1 and 2 are grouped together. To access Algebra Nspirations: Solving Systems of Equations, Segment 2, click the following link: • https://www.media4math.com/library/algebra-nspirations-solving-systems-equations-segment-2 A Video Transcript for Algebra Nspirations: Solving Systems of Equations, Segments 1 and 2 is available via the following link: • https://www.media4math.com/library/video-transcript-algebra-nspirations-solving-systems-equations-part-1 ## VIDEO: Algebra Nspirations: Solving Systems of Equations, Segment 2

### In this Math Lab, we explore the break-even point for a business. This video is Segment 2 of a 4 segment series related to Algebra Nspirations: Solving Systems of Equations. Segments 1 and 2 are grouped together. To access Algebra Nspirations: Solving Systems of Equations, Segment 1, click the following link: • https://www.media4math.com/library/algebra-nspirations-solving-systems-equations-segment-1 A Video Transcript for Algebra Nspirations: Solving Systems of Equations, Segments 1 and 2 is available via the following link: • https://www.media4math.com/library/video-transcript-algebra-nspirations-solving-systems-equations-part-1 ## VIDEO: Algebra Nspirations: Solving Systems of Equations, Segment 3

### In this Investigation we use matrices and the elimination method to solve a linear system. This video is Segment 3 of a 4 segment series related to Algebra Nspirations: Solving Systems of Equations. Segments 3 and 4 are grouped together. To access Algebra Nspirations: Solving Systems of Equations, Segment 4, click the following link: • https://www.media4math.com/library/algebra-nspirations-solving-systems-equations-segment-4 A Video Transcript for Algebra Nspirations: Solving Systems of Equations, Segments 3 and 4 is available via the following link: • https://www.media4math.com/library/video-transcript-algebra-nspirations-solving-systems-equations-part-2 ## VIDEO: Algebra Nspirations: Solving Systems of Equations, Segment 4

### In this Math Lab we explore the graphical solution of a nonlinear system. This video is Segment 4 of a 4 segment series related to Algebra Nspirations: Solving Systems of Equations. Segments 3 and 4 are grouped together. To access Algebra Nspirations: Solving Systems of Equations, Segment 3, click the following link: • https://www.media4math.com/library/algebra-nspirations-solving-systems-equations-segment-3 A Video Transcript for Algebra Nspirations: Solving Systems of Equations, Segments 3 and 4 is available via the following link: • https://www.media4math.com/library/video-transcript-algebra-nspirations-solving-systems-equations-part-2 ## Math in the News: Issue 108--Star Wars: The Box Office Awakens!

### January 2016. In this issue of Math in the News we explore the dramatic box office returns of Star Wars: The Force Awakens. It provides an excellent opportunity to apply concepts of linear systems. Note: The download is a PPT. To see all the issues of Math in the News, click on this link. ## Promethean Flipchart: Algebra Nspirations: Systems of Equations

### Written and hosted by internationally acclaimed math educator Dr. Monica Neagoy, this video introduces students to systems of linear equations in two or three unknowns. To solve these systems, the host illustrates a variety of methods: four involve the TI-Nspire (spreadsheet, graphs and geometry, matrices and nSolve) and two are the classic algebraic methods known as substitution and elimination, also called the linear combinations method. The video ends with a summary of the three possible types of solutions. Concepts explored: equations, linear equations, linear systems Note: The download for this resources is the Promethean Flipchart. To access the full video [Algebra Nspirations: Solving Systems of Equations]: https://media4math.com/library/algebra-nspirations-solving-systems-equations To access the video transcript [Algebra Nspirations: Solving Systems of Equations]: https://www.media4math.com/library/video-transcript-algebra-nspirations-solving-systems-equations ## Related Resources

### To see the complete Quizlet Flash Card Library, click on this link: https://media4math.com/Quizlet-Resources ## Related Resources

### To see the complete Quizlet Flash Card Library, click on this link: https://media4math.com/Quizlet-Resources ## Related Resources

### To see the complete Quizlet Flash Card Library, click on this link: https://media4math.com/Quizlet-Resources ## Video Transcript: Algebra Applications: Systems of Equations

### This is the transcript for the video of same title. Video contents: In this episode of Algebra Applications, students explore various scenarios that can be explained through the use of systems of equations. Such disparate phenomena as profit and loss, secret codes, and ballistic missile shields can be explored through systems of equations. To view the full video: https://www.media4math.com/library/algebra-applications-systems-equations ## Video Transcript: Algebra Applications: Systems of Equations, Segment 1: Profit and Loss

### This is the transcript for the video of same title. Video contents: Profit and loss are the key measures in a business. A system of equations that includes an equation for income and one for expenses can be used to determine profit and loss. Students solve a system graphically. To view the full video: https://www.media4math.com/library/algebra-applications-systems-equations-segment-1-profit-and-loss A Promethean Flipchart is available for this video: https://www.media4math.com/library/promethean-flipchart-algebra-applications-profit-and-loss ## Video Transcript: Algebra Applications: Systems of Equations, Segment 2: Encryption

### This is the transcript for the video of same title. Video contents: Secret codes and encryption are ideal examples of a system of equations. In this activity, students encrypt and decrypt a message. To view the full video: https://www.media4math.com/library/algebra-applications-systems-equations-segment-2-encryption A Promethean Flipchart is available for this video: https://www.media4math.com/library/promethean-flipchart-algebra-applications-encryption ## Video Transcript: Algebra Applications: Systems of Equations, Segment 3: Ballistic Missiles

### This is the transcript for the video of same title. Video contents: A ballistic missile shield allows you to shoot incoming missiles out of the sky. Mathematically, this is an example of a linear-quadratic system. Students graph such a system and find the points of intersection between a line and a parabola. To view the full video: https://www.media4math.com/library/algebra-applications-systems-equations-segment-3-ballistic-missiles A Promethean Flipchart is available for this video: https://www.media4math.com/library/promethean-flipchart-algebra-applications-ballistic-missiles ## Video Transcript: Algebra Nspirations: Solving Systems of Equations

### This is the transcript for the video of same title. Video contents: Written and hosted by internationally acclaimed math educator Dr. Monica Neagoy, this video introduces students to systems of linear equations in two or three unknowns. To solve these systems, the host illustrates a variety of methods: four involve the TI-Nspire (spreadsheet, graphs and geometry, matrices and nSolve) and two are the classic algebraic methods known as substitution and elimination, also called the linear combinations method. The video ends with a summary of the three possible types of solutions. Concepts explored: equations, linear equations, linear systems To access the full video: https://media4math.com/library/algebra-nspirations-solving-systems-equations A Promethean Flipchart is available for this video: https://www.media4math.com/library/promethean-flipchart-algebra-nspirations-systems-equations ## Video Transcript: Algebra Nspirations: Solving Systems of Equations, Part 1

### This is the transcript for the video of same title. Video contents: In this Investigation we solve a linear system. This transcript corresponds to Segments 1 and 2 of Algebra Nspirations: Solving Systems of Equations. To view those videos click on the following links: • https://www.media4math.com/library/algebra-nspirations-solving-systems-equations-segment-1 • https://www.media4math.com/library/algebra-nspirations-solving-systems-equations-segment-2 ## Video Transcript: Algebra Nspirations: Solving Systems of Equations, Part 2

### This is the transcript for the video of same title. Video contents: In this Investigation we use matrices and the elimination method to solve a linear system. This transcript corresponds to Segments 3 and 4 of Algebra Nspirations: Solving Systems of Equations. To view those videos click on the following links: • https://www.media4math.com/library/algebra-nspirations-solving-systems-equations-segment-3 • https://www.media4math.com/library/algebra-nspirations-solving-systems-equations-segment-4 