Question

Find the slope of the line: Through (5,4)(5,-4) and (1,3)(1,3)

Solution

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Answered three weeks ago
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Let the given two points be,

A(x1,y1)=(5,4)A(x_1,y_1)=(5,-4)

B(x2,y2)=(1,3)B(x_2,y_2)=(1,3)

The slope of line passing through AA and BB is,

Slope of AB=y2y1x2x1=3(4)15Replace points A and B=74Simplify=74\begin{align*} \text{Slope of }\overline{AB}&=\dfrac{y_2-y_1}{x_2-x_1}\\ \\&=\dfrac{3-(-4)}{1-5}&&\text{Replace points A and B}\\ \\&=\dfrac{7}{-4}&&\text{Simplify}\\ \\&\boxed{=-\dfrac{7}{4}} \end{align*}

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