Question

Which coordinate is a zero of the function defined by 3x^2 – 15x – 18?

Answer 1

`3 {x}^(2) - 15x - 18 = 0`

`{x}^(2) - 5x - 6 = 0`

`(x + 1)(x - 6) = 0`

x = -1 or x = 6

The coordinates of the zeroes are (-1, 0) and (6, 0).