If you use y <= 2x - 1 and y >= -3x + 1, then you can make the ordered pair where the treasure is be (2,0). Tell your parter that the system of inequalities is y <= 2x - 1 and y >= -3x + 1. He/she should graph that system and ask you whether a certain point is correct; if he/she is not correct, then have him/her email you their graph of that system. Give them more clues about the point's locatoin, or give them hints if they graphed the inequalities wrong. Record all the guesses that you and your partner guess, and your final guess should be the right one. Your partner expects you to do the same thing for his/her inequalities as he/she is doing for yours. Graph their system and make guesses.
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