HW 3.1 Solving Systems of Equations 3x3

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.

(a)  

Use elimination or substitution to solve the systems.

(a)  

Use elimination or substitution to solve the systems.

• (1,3,1)

• (-1,3,1)

• (1,-3,-1)

What if you are solving a system and your variables cancel out and you end up with a statement such as: 1=12? What conclusion can you make about the system?

• the solution is 1

• there is no solution

• the solution is 12

• infinite solutions

Tags

CCSS.8.EE.C.8B

What is the solution to the system?

• (-4,3,5)

• (2,-3,5)

• no solution

• infinitely many solutions

What if you are solving a system and the variables cancel out and you end up with a statement such as 3=3, what can you conclude about the system?

• the solution is 3

• there are no solutions

• you can't conclude anything

• there are infinite solutions

Tags

CCSS.8.EE.C.8B

What is the solution to the system?

• (5,-3,2)

• (-3,5,2)

• no solution

• infinite solutions

x+y+z=12

3x+y=19

5x=25

What would you solve for First?

• Solve for x

• Solve for y

• Solve for z

• (5,3,4)

Tags

CCSS.HSA.REI.C.6

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

• Yes

• No

• No Clue