Solution or Not a Solution

It (3,4) a solution?

• Yes! It is a solution.

• No :(

  It is not a solution.

  It only works

  for one line.

• No :(

  It is not a solution.

  It does not work

  for either line.

It (-5,2) a solution?

• Yes! It is a solution.

• No :(

  It is not a solution.

  It only works

  for one line.

• No :(

  It is not a solution.

  It does not work

  for either line.

It (0,-1) a solution?

• Yes! It is a solution.

• No :(

  It is not a solution.

  It only works

  for one line.

• No :(

  It is not a solution.

  It does not work

  for either line.

It (-3,-1) a solution?

• Yes! It is a solution.

• No :(

  It is not a solution.

  It only works

  for one line.

• No :(

  It is not a solution.

  It does not work

  for either line.

• Consistent : Unique solution
• Consistent: Many Solutions 
• Inconsistent: No solution 
• None of the above 

Tags

CCSS.8.EE.C.8A

It (3,0) a solution?

• Yes! It is a solution.

• No :(

  It is not a solution.

  It only works

  for one line.

• No :(

  It is not a solution.

  It does not work

  for either line.

What is the solution to this equation?

• one solution

• no solution

• infinite solutions

• none of these

Tags

CCSS.8.EE.C.7A

Solve:
2x + 1 = 2x - 1

• No Solution

• x = 0

• Infinitely Many Solutions

Tags

CCSS.8.EE.C.7A

Solve:
3x + 15 = 3(x + 5)

• No Solution

• x = 15

• Infinitely Many Solutions

Tags

CCSS.8.EE.C.7A

Simplify each equation. Tell whether the equation has one, no, or infinite solutions.

3x - 8 = 3(x - 4) + 1

• one

• no solutions

• infinite solutions

Tags

CCSS.8.EE.C.7A