Find the discriminant and the number of real roots for this equation. x²+2x+7=0
O A. -24; one real root
B. 28; two real roots
C. -24; no real roots
D. 28; one real root
SUBMIT

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e