Question

- If you answer my questions , I will give MEDALS ?

Answer 1

ask

Answer 2

What is the vertex of the graph y=x^2+3x-4

Answer 3

V(-b/2a; -delta/4a)
a=1, b=3 ,c=-4
delta = b^2 - 4ac
-b/2a = -3/2
-delta = 4ac - b^2 = -16 - 9 = -25
-delta/4a = -25/4
The vertex is V(-3/2 ; -25/4)