# MATH 53 - Linear Akgebra

Martin Rios-Cardenas (lvl 5)
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

## Cards(2)

1.1 Systems of linear equations

(2 cards)

Is $$\sqrt{5}x_1+4.6x_2+\frac{1}{2}x_3=-5$$ a linear equation?

Front

Yes. A coefficient or a constant can be an irrational, a rational, or a negative number.

Back

Is $$6x_1 - 4x_2 + x_3 = 0$$ a linear equation?

Front

Yes. Even if $$b=0$$, the equation is still linear.

Back