what is the slope? i came up with 17/0. is that 0?

calculate the slope of the line between the points (9, -8) and (9, 9)

what is the slope? i came up with 17/0. is that 0?

calculate the slope of the line between the points (9, -8) and (9, 9)

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17/0 means undefined term and not equal to zero,which shows that the line passing through two points is

parallel to y-axis

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## Comments

Anytime you calculate a slope and end up with zero in the denominator, it means that the line that passes through the 2 points is a vertical line.