find the distance between c and d on the number line below.\ndistance:
find the distance between c and d on the number line below.\ndistance:
Answer
Explanation:
Step1: Identify the coordinates
The coordinate of point $C$ is $- 1$, and the coordinate of point $D$ is $7$.
Step2: Use the distance formula on number - line
The distance $d$ between two points $x_1$ and $x_2$ on a number line is $d=\vert x_2 - x_1\vert$. Here, $x_1=-1$ and $x_2 = 7$, so $d=\vert7-(-1)\vert$.
Step3: Simplify the expression
$\vert7 - (-1)\vert=\vert7 + 1\vert=\vert8\vert = 8$.
Answer:
$8$