Solving a System of Equations Quiz

Solve by elimination:
4x+9y=28
-4x-y=-28

• (-7,0)
• (6,0)
• (-6,0)
• (7,0)

• 
• 
• 
• 

What is the solution?

• No solution
• (0, 2)
• (0, -4)
• (3, -3)

Solve the following system of equations using substitution.

y=x+3

x+y=9

• (2,5)

• (3,6)

• (4,7)

• IMS

If a system of equations has no solution, what does the graph look like? 

• intersecting lines
• parallel lines
• skew lines
• intersecting lines

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

Solve the system of equations using substitution:
y = 2x + 5
2x + 2y = 4

• (1, 7)
• (7, 1)
• (2, 9)
• (-1, 3)

If a system of linear equations has one solution, what does this mean about the two lines? 

• Parallel lines
• the same line 
• Intersecting lines

What is the solution?

• (6, 3)
• (3, 6)
• (-6, 3)
• No solution

The ordered pair that satisfies BOTH equations in the system is called the _____________________

• system of equations
• function
• graph
• solution