Unit 3 Review AA2

How many solutions?

• One Solution
• No solution
• Infinitely Many Solutions

What is the solution?

• One Solution
• No solution
• Infinitely Many Solutions

What is the solution to this system? Solve by substitution.
y= 4x + 3
2x - 3y = 21

• (3,-9)
• (-3,-9)
• (-3,9)
• (0,1)

Solve  the system of equations.  
   x + 5y = -27
-2x - 5y = 24

• (3, 6)
• (-3, -6)
• (-3, -4)
• (3, -6)

Solve by elimination
-12x-4y= -8 
  -6x-2y= -4

• no solution 
• (0,0)
• infinite solutions 
• (4,0)

Solve by using elimination method.

• (3, 1)
• ( 5, -5)
• (2, 5)
• (15, 1)

Solve the system of inequalities by graphing.

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Solve the system of inequalities by graphing.

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What is the graph of the linear inequality:

 $x+2y\ge-2$  

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What is the graph of the linear inequality:

 $4x-3y>0$  

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