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find the equation of the line through (1,3) with slope ∞

Sagot :

The equation of the line is x=1. Because since the slope is infinite, or simply a vertical line, meaning m=undefined. Therefore, the answer is only x=1.
[tex]m=infinity\\ (y-3)=infinity*(x-1) \\ \frac{y-3}{infinity} = x-1 \\ 0 = x - 1 \\ x = 1[/tex]

anything divided by infinity is zero.