Graphing and Substitution Method Review

Solve the system of equations by using the Substitution Method.

y = 2x - 4

7x - 2y = 5

• (-1, -6)

• (-1, -8)

• (-2, 6)

• (1, -8),

How many solutions does the graph have?

• One solution

• No solution

• Infinite solutions

How many solutions does the graph have?

• One solution

• No solution

• Infinite solutions

The first step in solving a system of equations using the SUBSTITUTION METHOD is __________.

(Read all the answers before choosing one.)

• get x by itself

• get y by itself

• get EITHER x or y by itself

• add the equations together

What is the solution?

• 1

• (-1, 1)

• (1, 1)

• (1, -1)

What is the solution to the system?

• (-3, 2)

• (-2, 3)

• (3, 2)

• (3, -2)

Solve the following system of equations by graphing:

• (4, -4)

• (-4, 4)

• no solutions

• (0, 0)

What is the solution to the system?

• (-3, 2)

• (-2, 3)

• (3, 2)

• (3, -2)

What is the solution?

• 1

• (-1, 1)

• (1, 1)

• (1, -1)

What is the solution to the system of equations graphed below?

• No Solution

• Infinitely Many Solutions

• One Solution: (0,2)

• One Solution: (2,6)