Please help a) a < 0
b)b < 0
c) a and b must be on the same side of zero
d) a and b must be on opposite sides of zero

Which of the following equations is of the parabola whose vertex is at (4, 3), axis of symmetry parallel to the y-axis and focus at (4, -3)? a.) y+3=1/24 (x+4)^2 b.)y-3=-1/24 (x-4)^2 c.)x-4=-1/24 (y-3)^2

Select the sequences that are geometric.

What is the absolute value of the complex number -4-sqrt2i