Test: Solving Systems by Graphing & Elimination

Solve the system

2x + 3y = 6

x + 2y = 5

• ( 4 , -3 )

• ( -3 , 4 )

• ( 3 , 4 )

• ( 4 , 3 )

Solve the system

-4x - 2y = -12

4x + 8y = -24

• 6

• ( 6 , -6 )

• ( -6 , 6 )

• ( 3 , -3 )

8x + 5y = 38

-8x + 2y = 4

• (-1,6)

• (11, -10)

• (1, 6)

• Infinite Solutions

• No Solutions

Give the solution to the system

• (3,1)
• (1,3)
• (-1,3)
• No solution

• (10, -1)
• (-1, 10)
• (-10, 1)
• (10, 1)

True or False - Solving a system of equations can be done by Graphing, Substitution, or Elimination

• True

• False

How many solutions will this system have? 

• No solution
• One Solution
• I Don't Know
• Infinitely Many Solutions

3. What step needs to be taken to perform elimination?
2x+2y=20
-x+6y=10

• Combine them
• Set them equal
• Find the blob
• Multiply the bottom by 2

These two lines intersect at _____.

• (4, -2)
• (4, 2)
• (-2, 4) 
• No solution

The solution to this system of equations is:

• (4, 3)
• (3, 4)
• (-4, 3)
• No solution