Complete pg. 18-19 in Student Journal Algebra II 1.

Algebra II 1

Solving Systems of Linear Equations in Three Variables

Algebra II

SREB Math 3

System of three linear equations : a system with 3 equations that contains three variables

The solution is written as an ordered triple. Ex: (4, -2, 3)

Algebra II 4

5Algebra II

6Algebra II

7Algebra II

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9Algebra II

10Algebra II

SREB Math 11

SREB Math 12

SREB Math 13

SREB Math 14

You found $6.60 on the ground at school, all in nickels, dimes, and quarters. You have twice as many quarters as dimes and 42 coins in all. How many of each type of coin do you have?

SREB Math 15

Find the values of a, b, and c so that the linear system below has (3, -2, 1) as its only solution. Explain your reasoning.

SREB Math 16

If angle A is three times as large as angle B and angle B is 30° smaller than angle C what are the measures of angles A, B, and C?

Solve each system.

1. 2.

SREB Math 17