and if c = circumference of the base and ℓ = slant height, then
Sphere: If r =
radius, then
and Surface Area = 4πr^2.
Pyramid: If B = area of the base and h = height, then
1 . What is a possible form of the quadratic equation, if the sum of the
roots is
−1 and the product of the roots is −20?
y =
2 x^2 + 2x − 40
(A)
y =
x^2 − x − 20
(B)
(C) y =