The points (9,9) and (10,k) fall on a line with a slope of -1. what is the value of k?

The value of k is 8

Solution:

Given that,  points (9, 9) and (10, k) fall on a line with a slope of -1

To find: value of "k"

The slope of a line with points and is given as:

Here given that,

slope = m = -1

Substitute the values in formula, and solve to get value of k

Thus the value of k is 8

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step-by-step explanation:

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step-by-step explanation:

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