5- Day Lesson Plan Unit: Linear Equations Grade Level: Grade 9 ...

37Name: _________________Date: ____________Directions: Using the matrix program in your calculator, solve the systems ofequations. Then in your groups discuss your answers and answer the questions at thebottom of this worksheet. You have to make sure that your variables match up beforeputting the system into your calculator.1. y = -x +3y = x + 12. x – y = 15x – 4y = 03. y = 2x – 15x = -2yGroup Work Questions1. What does the answer to the system of equations tell you?2. Can you find the answers to the system of equations algebraically? If so How?3. Can you find the answer to the system of equations using your graph in yourcalculator? If so How?Answer Key to Class Work:1. (1, 2)