Determine whether the system is "inconsistent", "dependent" or "independent".3𝑥−4𝑦=312𝑥−16𝑦=8 Group of answer choicesDependentIndependentInconsistent
Question
Determine whether the system is "inconsistent", "dependent" or "independent".
Given the equations:
Group of answer choices:
- Dependent
- Independent
- Inconsistent
Solution
To determine whether the system of equations is "inconsistent," "dependent," or "independent," we follow these steps:
1. Break Down the Problem
We have the following system of equations:
- (Equation 1)
- (Equation 2)
We need to analyze these equations for their relationships with one another.
2. Relevant Concepts
- Inconsistent: No solution exists (the lines represented by the equations do not intersect).
- Dependent: Infinitely many solutions exist (the lines represented by the equations are the same).
- Independent: Exactly one solution exists (the lines intersect at one point).
3. Analysis and Detail
Let's simplify Equation 2 to see its relationship to Equation 1.
- Divide Equation 2 by 4: This gives us a new form of Equation 2:
Now, we can rewrite both equations for comparison:
- (Equation 1)
- (Equation 2')
Clearly, both equations represent lines with the same slope but different y-intercepts. Thus, they are parallel and never intersect.
4. Verify and Summarize
Since the equations represent parallel lines, they do not have any point in common; therefore, they do not intersect. This indicates the equations are inconsistent.
Final Answer
The system of equations is Inconsistent.
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