ALG1.MATH.3.G
Estimate graphically the solutions to systems of two linear equations with two variables in real-world problems.
Algebra I · Texas Essential Knowledge and Skills (TEKS) · TEKS 2012
Standard Unwrapping
AI-generated as a starting point — sign in to edit.Vocabulary
solutionssystems of two linear equationsvariablesgraphsreal-world problems
Skills
- estimate (solutions to systems of two linear equations graphically) #dok2
- interpret (graphs of systems of two linear equations in two variables) #dok2
- apply (graphical estimation techniques to real-world systems of equations) #dok3
- justify (reasonableness of estimated solutions in context) #dok3
Learning Targets
- I can estimate the solution to a system of two linear equations by examining their graphs. #dok2
- I can interpret where the graphs of two linear equations intersect as the solution to the system. #dok2
- I can apply graphing methods to estimate solutions for systems of equations in real-world situations. #dok3
- I can justify that my estimated solution is reasonable based on the given context. #dok3
Big Ideas
- Graphing systems of linear equations provides a visual way to estimate where solutions occur.
- Graphical estimation of solutions helps connect algebraic solution methods to real-world situations.
Essential Questions
- How can you estimate the solutions to a system of two linear equations by looking at their graphs?
- Why might it be helpful to use a graph to solve a system of equations in a real-world problem?
- How can the intersection point of two lines on a graph be interpreted in context?
- What strategies can you use to judge whether your estimated solution from a graph makes sense?