Systems of Equations

If I add the 2 equations , which variable would I be eliminating?

• x

• y

• z

• none

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the name of the calculator program that helps find the solution to a system of 3 equations?

• RREF

• rowswap

• list

• 1-var stats

Tags

CCSS.HSA.REI.C.9

How many terms are in the solution for a system of 3 equations?

• 1

• 2

• 3

• infinite

Solve the system of equations:
x + y + z = 4
x = -2y
z = -3y

• (2, -1, 3)

• (2, 3, 1)

• None of these

• (4, 1, -1)

Solve the system of equations: 

• ( -2, 3, -3)

• None of these

• ( -2, -3, 3)

• ( -3, 3, -2)

Solve the system of equations: 

• ( 4, 0, -2)

• ( -4, -2, 0)

• None of these

• ( -4, 0, -2)

Solve the system of equations: 

• ( -2, 4, 3)

• ( 2, 1, 6)

• No solution

• None of these

3) Solve the system of linear equations.

• (3, 1, -5)

• (-3, 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

8) Solve the system of linear equations.

• (3, -1, 1)

• (-3, -1, -1)

• no solution

• infinitely many solutions