Question

How do you write `y=-2.5(x-1.3)(x+5.2)` in standard form?

Answer 1

`y = -2.5x^2 - 9.75x + 16.9`

Explanation:

The standard form of parabola: `y = ax^2 + bx + c`

`y = -2.5(x - 1.3)(x + 5.2)`

#y = -2.5 (x^2+ 5.2x - 1.3x - 6.76)

`y = -2.5x^2 - 9.75x + 16.9`