Find the vertex form of
y= -1/2 (x^2-6x-7)

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a. p.

How do you find the distance of each number from the mean

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your