Review
classify each triangle by its sides and angles.
86/60
8.6
60
60°
8.6
sides:
angles:

the answer is b

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

the correct answer is the last option