ollie: i need help with my maths homework.
kiera: do i look like a tutor to you?
ollie: no you look beautiful to me, but i still need help and you're blitzing the subject please.
kiera: fine then, what do you want?
ollie: i have to graph y=x^2-25 and i have no idea how.
kiera: well the x-intercepts at at positive 5 and negative 5. and the y-intercept is negative 25, then the turning point would be (0,-25).
ollie: so it's a parabola?
kiera: yes, a parabola, a line that is symmetrical.
ollie: and this one makes connection with the x axis twice yes?
kiera: well there are two intercepts aren't there?
ollie: okay x axis, our formula shall now be y=x^2-25, we will meet twice.
kiera: what?
ollie: your line theory, i figured out a way we can meet multiple times.
kiera: round of applause for you oliver.
ollie: really?
kiera: no.