ghari112345
27.09.2019 •
Mathematics
Question: which of the following is a solution of x2 + 8x = −32?
answers:
x = 8 − 8i
x = −8 + 8i
x = 4 + 4i
x = −4 + 4i
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Ответ:
So it's the last one.
Ответ:
We have a right triangle 9,12,15 which is 3,4,5 scaled.
So OG=15 and OH=9 (the radius) so x = 15-9 = 6
6