Answer:
Suppose the closest point is at p=(x0,y0), and set q=(−2,−3). Then the tangent to the parabola at p is perpendicular to ℓ, the line through p,q. and we end up numerically computing the roots from here.
Answer:
Answer : 0 = ( x + 3)( x -15)
Answer:
I would assume you're referring to this test? if so the answer is
a, d and e