Question

What are the zeroes of y=x2 - 4x - 5?
1.-5
1.5
-1.-5
-1.5

Answer 1

Explanation:

`y = x^(2) - 4x - 5`

To find the zeroes of an equation, we set the equation equal to zero and try to find solutions:

`0 = x^(2) - 4x - 5`

`0 = (x - 5)(x + 1)`

`x = -1, 5`