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The two points that lie on a line with an undefined slope are a) (-2,-3) and (2,-6) b) (-2,-3) and (-6, 2 c) (-2,-3) and (2,0) d) (-2,-3 )and (-2,6)
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The two points that lie on a line with an undefined slope are a) (-2,-3) and (2,-6) b) (-2,-3) and (-6, 2 c) (-2,-3) and (2,0) d) (-2,-3 )and (-2,6)

User Guido Simone
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2 Answers

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The slope of the line that includes the points (-2,3) and (-2,6) ...
choice-d ... is
(6 - 3) / (-2 - -2) = 3 / 0 .

User Piotr Reszke
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7.4k points
6 votes

When you know 2 points on a line, the slope of the line is

(difference in y-values) / (difference in x-values).

The slope of the line that includes the points (-2,3) and (-2,6) ...
choice-d ... is
(6 - 3) / (-2 - -2) = 3 / 0 .

Division by zero is 'undefined'.

(On a graph, these two points are on a vertical line.)


User Danieltmbr
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8.5k points
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