Chapter 11.5, Problem 6E

(a)

To determine

For theline $\frac{x-3}{2}=\frac{y-7}{8}=z+2$.

Find if the point $\left(7,23,0\right)$ lies on it.

(b)

To determine

For theline $\frac{x-3}{2}=\frac{y-7}{8}=z+2$$$

Find if the point $\left(1,-1,-3\right)$ lies on it.

(c)

To determine

For theline $\frac{x-3}{2}=\frac{y-7}{8}=z+2$.

Find if the point $\left(-7,47,-7\right)$ lies on it.