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# 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)

### 4 Answers by Expert Tutors

Mike C. | Enthusiastic Tutor for Middle and High School StudentsEnthusiastic Tutor for Middle and High S...
4.8 4.8 (82 lesson ratings) (82)
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17/0 is undefined, as is any number that is divided by zero. For the level of mathematics you're in right now, this is the accepted answer.

Xavier J. | Tutor in Math, topics range from Algebra to Calculus.Tutor in Math, topics range from Algebra...
5.0 5.0 (3 lesson ratings) (3)
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What you did to get 17/0 is correct but that doesn't equal 0, 0/17 = 0. When you get a 0 in the denominator your slope is undefined.

Mohammad C. | Calculas,Geometry.discrete math,algebra,numerical analysisCalculas,Geometry.discrete math,algebra,...
0

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

parallel to y-axis

Suzanne U. | Stress free, natural learning for MS/HS math students! Stress free, natural learning for MS/HS ...
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