Linear Systems Elimination Strategy

Which strategy is the best choice for solving this system?

• Elimination

• Elimination with multiplication

• Substitution

• Graphing

Solve the following system. Which statement is true?

• y = -1

• x = -2

• x = 1

• y = -2

Solve the following system. What is the solution?

• (3, -1)

• (-1, -3)

• (-1, -1)

• (-1, 3)

What is a true statement?

• x = 2

• y = 2

• x = 5

• y = -5

-8x - 7y = 10
-8x + 5y = 34
answers in (x,y)

• No Solution

• (-3, -10)

• (3, 2)

• (-3, 2)

Solve using Elimination.

• (0,0)

• (-8,-8)

• (-8,0)

• (0,-8)

Solve by elimination:
4x+9y=28
-4x-y=-28

• (-7,0)

• (6,0)

• (-6,0)

• (7,0)

Solve the system:

x + 6y = 17

-x + 3y = -8

• (5, 2)

• (11, 1)

• (1, 11)

• no solution

Solve using Elimination Method:

x - y = 12

4x + y = 33

• (-9,-3)

• (3,-9)

• (9,-3)

• (-3,9)

Answer explanation

Solve the system of equations:

3x + y = –21

x + y = –5

• (-3,8)

• (8,-3)

• (3,-8)

• (-8,3)