Alg. Systems of equations review

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

• intersecting lines

• parallel lines

• perpendicular lines

What is the solution to this system of equations?

• (0, 1)

• (2, 1)

• (1, 0)

• (0, -1)

What is the solution to the system?

• (0, 3)
• (1, -1)
• (-3, 1)
• (1, 3)

What is the solution to this system? 

• (3,1)
• No solution
• Infinite solutions
• (1,3)

How many solutions to this system of equations?

• one

• infinitely many

• none

What is the solution?

• (1, -1)
• (-1, 1)
• (0, -2)
• (2, 0)

What is the solution?
(Hint:  Both lines are graphed over each other)

• One Solution
• No solution
• Infinitely Many Solutions

Solve the system by substitution. 
y = 2x − 11 
2x − 8y = 4 

•  (6, 1)
• (6, −4)
• (6, −1)
• Infinite number of solutions  

Solve the system by substitution. 
3x − 2y = 7 
y = 2x − 7 

• No solution 
•  (7, 7)  
•  (−7, −7)  
•  (−7, −3)  

What is the solution to the system of equations? (use Substitution)
y - 3x = -8
y = 4 - x

• (3,1)
• (-3,1)
• (1,3)
• (3,-1)