1 Answer

Helmer Barcos · Answer 1 · 2022-01-31T10:07:12+0000

Answer:

Slope of the line if two points are known

Explanation:

Formula is y2-y1/x2-x1

so that 1-(-9)/-2-(-2)

10/0 is undefined that means line is parallel to y-axis

when a line is parallel to y axis it has no slope.

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