Systems of Inequalities Substitution

• A
• B
• C
• D

Match: the overlap is on the left!

• y ≤ 3x   and  y ≤ -2x + 4

• y > 3x   and  y > -2x + 4

• y < 3x   and  y > -2x + 4

• y > 3x   and  y < -2x + 4

Select the correct graph for each inequality.

• A

• B

• C

• D

• y < x−2 
  y < 3
• y > -x+2
  y > 3
• y < -x+2
  y < 3
• y < -x+2
  y > 3

In the substitution method for solving systems of linear inequalities, what do you solve for?

• The sum of the variables

• The product of the variables

• One variable in terms of the other

• Both variables separately

In the substitution method for solving systems of linear inequalities, what do you substitute?

• The solution to the system of inequalities

• The coefficient of the variable

• The value of the constant term

• The expression for one variable from one equation into the other equation

Solve by substitution.

• (1, -4)

• (1, 4)

• (-4, -7)

• (-7, -4)

• A

• B

• C

• D

• A

• B

• C

• D

Solve by substitution.

• (-1, 3)

• (0, -3)

• (1, 3)

• (1, -3)