<span>f(x) =-(x+9)(x-21)
Manipulating algebrically,
We get,
</span>f(x) =-(x+9)(x-21)
= -(x^2 -21x + 9x - 189)
= -(x^2 -12x - 189)
= -x^2 + 12x + 189
Axis of symmetry = -b/2a
plugging the values,
x = -12/-2
= 6
A) Use the distance formula to find the length of each side, and then add the lengths.
you have to do rise over the run
Answer:
-3
Step-by-step explanation:
Hope this helps:)
4/8 simplified to 1/2 because out of eight there are 4 even and 4 odd numbers 0.50
