Question

Parametric?

Answer 1

`"The last one is the correct answer : "`
`( x = -6t - 3, y = 8 t - 7 )`

Explanation:

`"for t = 0 we get (-3,-7) and for t = 1, we get (-9, 1)."`

`"So you have to check each time :"`
`"-3 = -6t - 3 => t = 0"`
`"-7 = 8t - 7 => t = 0, so (-3,-7) is on the line"`
`"so you must get the same t value."`
`"and check the same for the other point (-9, 1)."`