March 25 Precalculus 3×3 Systems of Equations

EQ: How do I solve a 3×3 system of equations

TSWBAT solve a 3×3 system of equations using methods of addition/combination/elimination

Act 1:

C4U Quiz 3/25

1. Solve the system by graphing or by substitution– bonus for both

y=-2x+8   y=(x-2)^2+1

2. Solve by linear combination/addition/elimination

(No Decimal Babies)



Act 2:GOOGLE: Solving a 3×3 system of equations

Solving a 3×3 system

*** 3 by 3 System of Equation Solver

Act 3: Make your own System of Equations following Mr. Lange’s model


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