Sol A.5 Systems of Equations and Inequalities

Check to see if (-2,1) is a solution to the following system:
x+2y=0
4x+3y=1

• yes

• no

Is (3,-4) a solution to this system?

• yes

• no

Pick the ordered pair that is NOT a solution

• (0,0)

• (1,-1)

• (2,0)

• (4,-4)

Solve the following system of equations:
2x+3y=17
y=4x+1

• (-1,-3)

• (1,5)

• (1,3)

• (2,4)

Which system of inequalities matches the graph?

• y > 2x - 4
  y < 2

• y < 2x - 4
  y < 2

• y > 2x - 4
  y <  2 

• y < 2x - 4
  y <   -2

Solve the system of inequalities by graphing.

• 
• 
• 
• 

What is the inequality represented by the RED region of the graph?

​ ​ (a)   ​ ​ (b)  

Which system of inequalities best describes the graph?

What is the inequality represented by the BLUE region of the graph?