Chapter 6 Test—Algebra I

1. Solve the system of equations x + 3y =12 and x – 3y = -6 by . graphing. 2. Solve the system 3x – y = 4 and 2x – 3y = -9 by . substitution. 3. Solve the system 2x + 5y = 7 and 3x + 6y = 3 by . elimination. 4. Solve the system 2x + 2y =3 and x – 2y = 1 by . any method. III. Graphing Calculator. Solve the system of equation by graphing ... ................
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