What is grader 4 or [-8]?

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line

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

Someone which statements are true? check all that apply.