Write the equation of the parabola that passes through the points (-12, 1333), (4,77), and (8,403)

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?