System of Equations - elimination

Solve the system of Equation (x,y)
3x + y = –14
–2x – y = 9

• (-5,1)
• (5,-1)
• (1,4)
• (-1,4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of Equation (x,y)
x + 3y = 18
 –x –4y = –25 

• (3,7)
• (-3,7)
• (7,-3)
• (-3,-7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of Equation (x,y)
3x + y = –21
x + y = –5  

• (-3,8)
• (8,-3)
• (3,-8)
• (-8,3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of Equation (x,y)

x + 4y = –3

x + 7y = –12

• (-3,9)

• (9,-3)

• (3,9)

• (9,3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations
  4x+8y=20
-4x+2y=-30

• (-7,1)
• (2,-5)
• (-2,5)
• (7,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which method would be best (quickest) for solving the system below:

x + y = 11

3x - 4y = -2

• Substitution

• Elimination

• Graphing

• None of these

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of Equation (x,y)
–2x + y = 10
4x – y = –14  

• (1,5)
• (6,2)
• (-2,6)
• (4,6)

Solve the system of Equation (x,y)

x + 3y = 18

–x –4y = –25