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andreastyles1603
19.07.2019 •
Mathematics
What are all of the real roots of the following polynomial? f(x) = x4 - 24x2 - 25
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Ответ:
f(x) = (x² -25)(x² +1) = (x -5)(x +5)(x² +1)
A root will make one of the factors equal to zero. The quadratic factor has only complex roots.
The real roots are x = ±5.
Ответ:
(3,4)
Step-by-step explanation:
x coordinate will stay the same
y coordinate 4 away from x axis in down direction
0 + 4 = 4
(3,4)