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Questions and Answers
What is the general form of a linear equation with n variables?
What is the general form of a linear equation with n variables?
- $a_{1}x_{1}+ dots +a_{n}x_{n}=1$
- $a_{1}x_{1}+ dots +a_{n}x_{n}=0$
- $a_{1}x_{1}+ dots +a_{n}x_{n}+b=1$
- $a_{1}x_{1}+ dots +a_{n}x_{n}+b=0$ (correct)
What are the coefficients in a linear equation?
What are the coefficients in a linear equation?
- Imaginary numbers
- Real numbers (correct)
- Rational numbers
- Complex numbers
When are the coefficients a1, ..., an required to not all be zero in a linear equation?
When are the coefficients a1, ..., an required to not all be zero in a linear equation?
- To make the equation complex
- To make the equation undefined
- To make the equation irrational
- To yield a meaningful equation (correct)
What are the solutions of a linear equation?
What are the solutions of a linear equation?
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How many solutions are there for a linear equation with just one variable (provided that a1 ≠0)?
How many solutions are there for a linear equation with just one variable (provided that a1 ≠0)?
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