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Sagot :

The slope of the line passing through point (-10, 9) and (-10, 18) is equal to undefined.

The slope of line passing through any two points (x₁, y₁) and (x₂, y₂) is expressed as

m = (y₂ - y₁)/(x₂ - x₁)

where m is the slope and (y₂ - y₁) and (x₂ - x₁) are difference between y and x coordinates respectively.

We have the points (-10, 9) and (-10, 18)

m = (18 - 9)/(-10 + 10)

m = 9/0

So, the slope is undefined.

Now, we have the points (4, 2) and (6, 7) so the slope will be

m = (7 - 2)/(6 - 4)

m = 5/2

Learn more about Slope at:

brainly.com/question/3493733

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