Easy Systems of Equations Elimination

Solve the system of linear equations
4x - y = -14
3x + 2y = -16

• (4, 6)

• (-4, -2)

• (-4, 1)

• (-2, -4)

What is the value of the x-coordinate to the solution to this system of linear equations? 2x + 3y = 15 and -x + 3y = 3

• 3

• -3

• 6

• 4

When both lines in a system are identical, the system has __________________.

• infinite solutions

• one solution

• no solution

• parallel solutions

Solve the system given:
3x - y = 7
2x + y = 3

• (-1,2)

• (5,4)

• (4,5)

• (2,-1)

How many solutions?

• One Solution

• No solution

• Infinitely Many Solutions

• Infinitely Many Solutions
• No Solution

• (2, -2)
• (2, 2)
• (-2, 2)
• (-2, -2)

The solution (x, y) to a system of equations is the point where they...? 

• Run off the graph

• Don't touch

• Intersect

• Exist

Solve the system of equations.

Use scrap paper/dry erase to work this out

      x + 5y = -27

-2x - 5y = 24

• (3, 6)

• (-3, -6)

• (-3, -4)

• (3, -6)

Solve the system using elimination. Use scrap paper/dry erase to work this out. -4x-2y=-12 4x+8y=-24

• (5,6)

• (6,-6)

• (6,-2)

• (4,-3)