In a system of linear equations, what does it mean if the equations are dependen

Practice Questions

Q1
In a system of linear equations, what does it mean if the equations are dependent?
  1. They have exactly one solution.
  2. They have infinitely many solutions.
  3. They have no solutions.
  4. They are inconsistent.

Questions & Step-by-Step Solutions

In a system of linear equations, what does it mean if the equations are dependent?
  • Step 1: Understand that a system of linear equations consists of two or more equations.
  • Step 2: Recognize that each equation represents a line on a graph.
  • Step 3: Identify what it means for equations to be dependent: it means they describe the same line.
  • Step 4: Realize that if two equations are dependent, they do not intersect at a single point; instead, they overlap completely.
  • Step 5: Conclude that because the lines are the same, there are infinitely many solutions (any point on the line is a solution).
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