Review 3

Solve the system by elimination.

• (2,5)

• (-2,5)

• (-2,-5)

• (2,-5)

Solve the system by elimination.

• (2,3)

• (-2,-3)

• (2,-3)

• (-2,3)

If a system of equations has no solution, what does the graph look like? 

• intersecting lines
• parallel lines
• skew lines
• intersecting lines

^{What is the solution to the system?} 

• (1,1)
• -2
• (1, 2)
• (1, -1)

-4x - 6y = 6
4x + 6y = -4

• no solution
• (2,0)
• (-4,0)
• (0,0)

Solve the system by elimination. 

−4x − 4y = 0

4x + 4y = 0 

• (−6, −4) 

• Infinite number of solutions  

• (−6, 10) 

• (6, 4) 

Solve the system by elimination.

• (4,-7)

• (-4,7)

• (4,7)

• (-4,-7)

Solve the system by elimination.

• (-8,5)

• (8,-5)

• (8,5)

• (-8,-5)

Solve by elimination:
-x+2y=17

2x+2y=-10

• ARN
• (-9,4)
• (-9,-4)
• (9,-4)

Solve by elimination:
9x-4y=7

x-4y=-17

• (-1,5)
• (-7,5)
• (7,5)
• (3,5)