System of equations

What is the solution to the system?

• (0, 3)
• (1, -1)
• (-3, 1)
• (1, 3)

• Infinitely Many Solutions
• No Solution

-4x-2y=-12
4x+8y=-24

• (5,6)
• (6,-6)
• (6,-2)
• (4,-3)

Parallel lines have ____ solution(s).

• No
• One
• Many

Solve using elimination. 
 4x + 8y = 20
-4x + 2y = -30

• (-7,1)
• (2,-5)
• (-2,5)
• (7,-1)

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

• No Solution

• Infinite Solutions

• One Solution: (1, -2)

• One Solution: (-2, 1)

A system of equations with one solution will have lines that...

• are the same

• cross in one place

• are parallel and never touch

Determine if (4, 1) is a solution for the system of equations.
y = -x + 5
y = 2x - 7

• yes
• no

Solve by graphing. Show all work on a graph paper.

• (2, 7)
• (7,6)
• (-6,1)
• No Solution

What does it mean to substitute?

• to remember
• to replace or to plug in
• to get rid of or to take away
• to connect the dots