Solving Systems with 3 Variables

How many variables are there in a linear triple system?

• 1

• 2

• 4

• 3

How many equations are there in a linear triple system?

• 1

• 3

• 4

• 2

What is an ordered triple?

• A set of three elements in any order.

• A set of three elements in a specific order.

• A set of two elements in a specific order.

• A set of four elements in a specific order.

Tags

CCSS.8.EE.C.8A

Solve the system of equations to find the value of y.

• -2

• 3

• -3

• 2

Solve the system of equations to find the value of z.

• 4

• -4

• 2

• -2

Solve the system of equations to find the value of x.

• -3

• -2

• 2

• -4

Solve the system.

• (5, -6, 3)

• (2, 3, -1)

• (-4, 2, 5)

• No Solution

Determine which ordered triple is a solution of the systems of equations?
2x+y=0
x+3y-z=-11
7x+5y+4z=21

• (0,0,11)
• (1,-2,6)
• (-1,2,-16
• (0,1,-14)

Solve the system of equations.

• (2, -4, -1)

• (4, -1, -2)

• (-2, 4, 1)

• (-2, 4, -1)

Solve the system.

• (3, -2, 4)
• (2, -3, 1)
• (-3, 2, -1)
• Infinitely many solutions