Question

I NEED HELP REALLY!
Calculate the exact slope m (rather than a decimal approximation) of the straight line through the given pair of points, if defined. Try to do the problem without writing anything down except the answer. (If an answer is undefined, enter UNDEFINED.)
(2, 5) and (3, 4)
m =

Answer 1

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Let's calculate the slope (m) of line passing through points (2 , 5) and (3 , 4)

Consider the coordinates of the points, and now apply the formula ~

$\qquad \sf  \dashrightarrow \: m = \dfrac{y_2 - y_1}{x_2 - x_1}$

$\qquad \sf  \dashrightarrow \: m = \dfrac{4 - 5}{3 - 2}$

$\qquad \sf  \dashrightarrow \: m = \dfrac{ - 1}{1}$

$\qquad \sf  \dashrightarrow \: m = - 1$

Therefore, the slope if the required line Is -1