Do Now Take out your homework.. 7.1: Graphing Linear Systems Objective: Graph linear systems on a graphing calculator HW: 7.1 Practice Quiz on 7.1-7.2:

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Presentation transcript:

Do Now Take out your homework.

7.1: Graphing Linear Systems Objective: Graph linear systems on a graphing calculator HW: 7.1 Practice Quiz on : Friday, 2/15/13

Press WINDOW to make sure you have the same settings: Remember: Anytime you want to get back to the main window, press 2 nd & MODE. If you want to type in equations, press Y=

Graph equations on the calculator Use a graphing calculator to estimate the solution of the linear system. y = -0.3x y = 0.6x – 1.5

Graph equations on the calculator Press Y= Press GRAPH Press 2 nd TRACE and then 5, ENTER 3 times

Try it! Graph the following linear systems to estimate their solutions. 1.y = x + 6 y = -x – 1 2.y = -3x – 2 y = x y = -0.25x – 2.25 y = x – y = 1.33x – 20 y = 0.83x – 8.5 Press Y= Press 2 nd TRACE and then 5, ENTER 3 times