Solving Systems of Equations in Three Variables and Two Variables

8) Solve the system of linear equations.

• (3, -1, 1)

• (-3, -1, -1)

• no solution

• infinitely many solutions

2) Solve the system of linear equations.

• (-1, 1, 2)

• (2, 1, -1)

• no solution

• infinitely many solutions

7) Solve the system of linear equations.

• (3, -1, -4)

• (-3, 1, 4)

• no solution

• infinitely many solutions

How confident do you feel solving linear systems in three variables?

• Very confident, and could help a friend.

• Fairly confident, but would like more practice

• Somewhat confident, but have some questions

• Not confident yet, and would like some help

Use elimination or substitution to solve the systems.

• (-2, -3, 3)

• (-2, 3, 3)

• (2, -3, 3)

Use elimination or substitution to solve the systems.

• (4, 2, 0)

• (4, -2, 0)

• (-4, -2, 0)

What is the solution to the system?

• (-4,3,5)

• (2,-3,5)

• no solution

• infinitely many solutions

Does the ordered triplet (2,1,-4) satisfy the system of equations above?

• Yes

• No

• No Clue

Use elimination or substitution to solve the systems.

• (4, 0, 2)

• (-4, 0, -2)

• (4, 0, -2)

Use elimination or substitution to solve the systems.

• (1,3,1)

• (-1,3,1)

• (1,-3,-1)