Graphing and Substitution Method Review

Solve #6 on study guide using substitution. Answer should look like (x,y) no spaces.

For #22 on the study guide, substitute what x= into the 2nd equation. What is the solution?

• (4,0)

• (10,2)

• (3,4)

• (-4,0)

Solve the system by graphing. (#2 on your study guide) Answer should look like: (x,y) no spaces**

Solve the system by graphing. (#3 on study guide)

• (3,-2)

• (-2,3)

• (1,4)

• (4,0)

For #6 on your study guide, what would your new equation look like after you use substitution?

• 2(2y-4)-3y= -5

• 2x-3(2y-4)= -5

• 2x(2y-4)-3y= -5

• (2,-3)

Decide which method is best to solve the system (#17 on study guide). Then use that method to solve the system.

• Graphing

• Substitution

• Elimination

Decide which method is best to solve for #18 on your study guide. What is the solution?

• (-1,3)

• (7,-5)

• (6,-4)

• (1,1)

Solve the system by your method of choice. Then solve the system. Answer should look like (x,y)

For #21 on your study guide, the best method would be graphing. What is the solution once you have graphed the two equations?

What is the best method to solve #22?

• Graphing

• Substitution

• Elimination