If the addition or subtraction of two linear equations results in the equation $8 = 8$ , then the graphs of those equations are _______.
A)equal
B) parallel
C) not parallel
D) perpendicular
E) none of these

Question

If the addition or subtraction of two linear equations results in the equation $8 = 8$ , then the graphs of those equations are _______.  
A)equal
B) parallel
C) not parallel
D) perpendicular
E) none of these

Quizplus · Accepted Answer

When the addition or subtraction of two linear equations results in an identity like $8 = 8$, it means the equations are equivalent, thus their graphs are the same line, meaning they are equal.

If the Addition or Subtraction of Two Linear Equations Results 8=88 = 88=8

If the Addition or Subtraction of Two Linear Equations Results $8 = 8$