Prove that, given a system of two equations in two variables, replacing one equation by the sum of that equation and a multiple of the other produces a system with the same solutions.
Formative Assessments
Formative Assessments
Solution Sets of Systems
Solving Systems
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Virtual/Hands-on Manipulatives
Virtual/Hands-on Manipulatives
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Assessment Questions
Assessment Questions
FSA Sample Question
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Videos of Expert Instruction
Videos of Expert Instruction
Why the Elimination Method Works
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Use Real Link and Title
Math Literature
Math Literature
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