IM1 Systems of Equations Unit 6

Which of the following are methods for solving systems of equations? Select all that apply!

• Graphing

• Substitution

• Using a Protractor

• Elimination

If a system of equations has infinite solutions it will look like ​ (a)  

If a system of equations has one solution it will look like ​ (b)  

If a system of equations has NO solution it will look like ​ (c)  

• coinciding lines
• intersecting lines
• parallel lines.
• perpendicular lines

• (3/5, 4/5)

  or

  (0.6,0.8)

• (2/5, 5/5)

  or

  (0.4,1)

• (1/5, 4/5)

  or

  (0.2,0.8)

• (4/5, 3/5)

  or

  (0.8,0.6)

• (0,2)

• (1,3)

• (-3,-1)

• (2,4)