Answer:
-x²-2
Step-by-step explanation:
x² = the curve faces upwards
but
-x² the curve faces downwards.
also
the downward curve touches -2 on the y axis.
therefore gx = -x²-2
90 mins bc 120/8=x/6 so cross multiply
Answer:
(x-1)^2+(y-6)^2=9
Step-by-step explanation:
You use the center to get the left part of the equation and the radius to get the right.
The standard equation of a circle is
(x-h)^2+(y-k)^2=r^2
where r is the radius, and (h,k) are the coordinates of the center
Answer:
52.3272727...
the 27 at the end is repeating