For the Line L Passing Through the Points (1, 0 $\frac { x - 1 } { 1 } = \frac { y - 0 } { 4 } = \frac { z - 1 } { c }$

Multiple Choice

For the line l passing through the points (1, 0, 1) and (2, 4, 7) , what is the value of c in the following symmetric equation for l? $\frac { x - 1 } { 1 } = \frac { y - 0 } { 4 } = \frac { z - 1 } { c }$

A) 1
B) 2
C) 3
D) 4
E) 5
F) 6
G) 7
H) 8