Find the slope of the line determined by this pair of points. (9, 9), (12, 5)
A) $- \frac { 4 } { 3 }$
B) $- \frac { 3 } { 4 }$
C) $\frac { 4 } { 3 }$
D) $\frac { 3 } { 4 }$
E) $- 4$

Question

Quizplus · Accepted Answer

The formula for finding the slope of a line with two points on it is:
$$	ext{slope} = \frac{y_2 - y_1}{x_2 - x_1}$$
Substituting the given values, we get:
$$	ext{slope} = \frac{5 - 9}{12 - 9} = \frac{-4}{3}$$
Therefore, the correct answer is choice A.

Find the Slope of the Line Determined by This Pair −43- \frac { 4 } { 3 }−34​

Find the Slope of the Line Determined by This Pair $- \frac { 4 } { 3 }$