Systems of Equation (Elimination by Addition, Pendleton)

• -1

• 6

• 1

• -6

Which of the following is the correct solution to the system of linear equations?

• (6, 10/3)

• (6,5)

• (4,5)

• (4,-5)

• (-2,2)

• (2,-2)

• (-2,-2)

• (-2, 1/2)

• (1,2)

• (-1,2)

• (1,-2)

• (-1,-2)

Solve by elimination:
7x-9y=29
7x+2y=-15

• (-4,-1)

• (-1.-4)

• (-1,4)

• (-1,6)

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

• no solution

• (2,0)

• (-4,0)

• (0,0)

Solve the system by elimination.  

12x + 36y = −3 
−12x − 36y = 0 

• (10, 1) 

• (−10, −1) 

•  (10, −1) 

•  No solution 

Solve the system by elimination. 
−4x − 4y = 0
4x + 4y = 0 

• (−6, −4) 

• Infinite number of solutions  

• (−6, 10) 

• (6, 4) 

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

• (5,6)

• (6,-6)

• (6,-2)

• (4,-3)

Solve by elimination 
  2x + 9y = -7
6x - 3y = 9 

• (-1, -1) 

• (2,-1)

• (1,1)

• (1,-1)