1 Answer

Paul Coldrey · Answer 1 · 2023-09-04T09:45:29+0000

Question:

Solution:

By definition, the slope of a line is given by the following formula:

EQUATION 1:

$m\text{ = }(Y2-Y1)/(X2-X2)$

where (X1,Y1) and (X2,Y2) are points on the line. In this case, we have that:

(X1,Y1) = (5,9)

(X2,Y2) = (3,9)

thus, replacing these points on equation 1, we get:

$m\text{ = }(Y2-Y1)/(X2-X2)=\text{ }(9-9)/(3-5)\text{ = }(0)/(-2)=\text{ 0}$

then, we can conclude that the correct answer is:

m = 0

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