What is the y-intercept of the quadratic y=-2x^2-4x-5 ? (-5,0) (0,-2) (-1,3) (0,-5)

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

What is the y intercept of f(x)=(1/2)^x?

Simply 8x squared + 5(7x squared- x) - 2x =