SOLVING SYSTEMS OF EQUATIONS BY ELIMINATION

Front

A ________________ is a set of two or more equations that have the same variables.

Back

system of equations

Front

Solve using Elimination.
4x + 8y = 20
-4x + 2y = -30

Back

(7,-1)

Front

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

Back

(1,-1)

Front

Solve using elimination: 7x + 2y = 24 and 8x + 2y = 30

Back

(6,-9)

Front

If two lines are parallel, how many solutions do they have? Options: 1, 2, infinite, none

Back

none

Front

Solve using elimination:
−4x − 4y = 0
8x + 8y = 0

Back

Infinite number of solutions

Front

Solve by elimination:
4x + 4y = 4
   3x + 4y =10

Back

(-6,7)

Front

Solve by elimination:
3x + 7y = 23
-3x - 7y = -17

Back

No solution

Front

Solve the system by elimination: 4x + 12y = −1 and −3x − 9y = 0

Back

No solution

Front

Solve the system by elimination.
  5x + 8y = -12
3x + 5y = -7

Back

(-4, 1)