Question

Determine the slope of the line that contains the points of (-9,5) and (6,-5)

Answer 1

`\bold{m=-\frac23}`

Explanation:

`m=(y_2-y_1)/(x_2-x_1)\\\\(-9,\,5)\ \implies\ x_1=-9\,,\ y_1=5\\(6,\,-5)\ \implies\ x_2=6\,,\ y_2=-5\\\\m=(-5-5)/(6-(-9))=(-10)/(6+9)=-(10)/(15)=-\frac23`