Which of the following are necessary when proving that the diagonals of a
rectangle are congruent? check all that apply.

i believe it's a.

i'm not sure on this one, most likely correct.

d is the only accurate one

step-by-step explanation:

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this

i think it will be 4feet long of what i comprehend