is the answer.
This is because the slop is found by the difference of ys over the difference of xs.
Answer:
C or the 3rd one
Step-by-step explanation:
It is the line of symmetry of a parabola and divides a parabola into two equal halves that are reflections of each other about the line of symmetry.
It intersects a parabola at its vertex.
It is a vertical line with the equation of x = -b/2a.
Check the picture below
notice, the run is half 35
recall slope = rise/run