We know that
the equation of the parabola is of the form
y=ax²+bx+c
in this problem
y=1/4x²−x+3
where
a=1/4
b=-1
c=3
the coordinates of the focus are
(-b/2a,(1-D)/4a)
where D is the discriminant b²-4ac
D=(-1)²-4*(1/4)*3-----> D=1-3---> D=-2
therefore
x coordinate of the focus
-b/2a----> 1/[2*(-1/4)]----> 2
y coordinate of the focus
(1-D)/4a------> (1+2)/(4/4)---> 3
the coordinates of the focus are (2,3)
Answer:
3
Step-by-step explanation:
Answer:
-36+-8=-44
Step-by-step explanation:
Last year won the lions 16 games last year and into this year the Lions won 20 games.
as the percentage increase is:
20/16
(20/4) / (16/4)
5/4
<span>
1.25 (125%)</span>
Answer:
b. g (x) = 9f (0)
Step-by-step explanation:
hope it help
