Chapter 8, Problem 13MCQ

To determine

To find:

The slope of the line that passes through the given points.

Answer to Problem 13MCQ

The slope of the line passing through the given points would be $-\frac{8}{7}$ .

Explanation of Solution

Given:

Two points on a line:

  $(-6,10)\text{and (1,2})$ .

Concept used:

  $\begin{array}{l}m=\frac{y_2-y_1}{x_2-x_1},\text{where,}\\ m=\text{Slope of line,}\\ y_2-y_1=\text{Difference between two }y\text{-coordinates}\\ x_2-x_1=\text{Difference between two }x\text{-coordinates of same }y-\text{coordinates}\end{array}$

Calculation:

Let point $(-6,10)=(x_1,y_1)\text{and (1,2})=(x_2,y_2)$ . Upon substituting our given coordinates in slope formula, we will get:

  $\begin{array}{l}m=\frac{y_2-y_1}{x_2-x_1}\\ m=\frac{2-10}{1-(-6)}\\ m=\frac{-8}{1+6}\\ m=-\frac{8}{7}\end{array}$

Therefore, the slope of the line passing through the given points would be $-\frac{8}{7}$ .