What is the equation of the parabola with a vertex at (-4,5), that opens up, and is congruent to the quadratic function y=-1/4x^2

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

What signals you that factoring by grouping is the best method to use when factoring a problem?

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d