$$\begin{array} { | l | l | }
\hline x & y \
\hline 100 & 500 \
\hline 200 & 300 \
\hline 300 & 100 \
\hline 400 & - 100 \
\hline
\end{array}$$
-Using the information in the table above, what does the slope of the line between x and y equal?
A) 2
B) -0.5
C) -2
D) 5

Question

$$\begin{array} { | l | l | } 
\hline x & y \
\hline 100 & 500 \
\hline 200 & 300 \
\hline 300 & 100 \
\hline 400 & - 100 \
\hline
\end{array}$$
-Using the information in the table above, what does the slope of the line between x and y equal?
A) 2
B) -0.5
C) -2
D) 5

Quizplus · Accepted Answer

The slope of a line is calculated as the change in y divided by the change in x. Using the points (100, 500) and (400, -100), the slope is (-100 - 500) / (400 - 100) = -600 / 300 = -2.

xy100500200300300100400−100\begin{array} { | l | l | } \hline x & y \\\hline 100 & 500 \\\hline 200 & 300 \\\hline 300 & 100 \\\hline 400 & - 100 \\\hline\end{array}x100200300400​y500300100−100​​

$\begin{array} { | l | l | } \hline x & y \\\hline 100 & 500 \\\hline 200 & 300 \\\hline 300 & 100 \\\hline 400 & - 100 \\\hline\end{array}$