1.1 Systems of linear equations
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Is $$\sqrt{5}x_1+4.6x_2+\frac{1}{2}x_3=-5$$ a linear equation?
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Feb 15, 2021
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1.1 Systems of linear equations
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Is $$\sqrt{5}x_1+4.6x_2+\frac{1}{2}x_3=-5$$ a linear equation?
Yes. A coefficient or a constant can be an irrational, a rational, or a negative number.
Is $$6x_1 - 4x_2 + x_3 = 0$$ a linear equation?
Yes. Even if $$b=0$$, the equation is still linear.