Solving Systems of Equations by Graphing, Substitution, or Elimination

Which is the best method for solving this system of equations?

• Substitution

• Elimination

• Graphing, Not Graphing...

  (aka Picturing the Graph)

  (aka Using graphing skills but not actually graphing)

Which is the best method for solving this system of equations?

• Elimination

• Substitution

• Graphing, Not Graphing...

  (aka Picturing the Graph)

  (aka Using graphing skills but not actually graphing)

How many solutions does this system of equations have?

• One Solution

• No solution

• Infinitely Many Solutions

• Two Solutions

Should you use the Substitution or Elimination method to solve this system of equations?

• Substitution

• Elimination

Solve the system of equations by any method:

3x + y = –14

–2x – y = 9

• (-5,1)

• (5,-1)

• (1,4)

• (-1,4)

Solve this system of equation by any method

y = 8x + 1

y = 6x + 3

• (1, 9)

• (4, 14)

• (0, 1)

• (2, 4)

Solve the system of equations by any method:

-6x+5y=1

6x+4y=-10

• (1,-1)

• (0,-1)

• (1,1)

• (-1,-1)

What is the solution to this system of equations? Solve by substitution or graphing.

• (7, -8)

• (-7, 8)

• (-7, -8)

• (7, 8)

Should you use the Substitution or Elimination method to solve this system of equations?

• Substitution

• Elimination

Should you use the Substitution or Elimination method to solve this system of equations?

• Substitution

• Elimination