Well vertex formula is A(x-h) + k
Where H and K are the X and Y coordinates of the minimum of the parabola
so using a graphing calculator to find the vertex of the graph you can plug it all in to get
(x + 4)^2 -18
you have no A value because it is 1
Answer:
A=-8b/9
Step-by-step explanation:
Answer:
Step-by-step explanation:
60/360 x 90 = 15
the answer is B