Mathematics
9 Online
OpenStudy (anonymous):
help!
Solve for x: -3(x + 3) = -3(x + 1) - 5.
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OpenStudy (therealmeeeee):
i will
OpenStudy (anonymous):
these are the options 6
-6
All real numbers
No solution
OpenStudy (therealmeeeee):
x^5 - x - 7 = 0
f(x) = x^5 - x - 7
f'(x) = 5x^4 - 1
x2 = x1 - (x1^5 - x1 - 7)/(5x1^4 - 1)
= 1 + 7/4 = 11/4 = 2.75
x3 = 162843/72949 = 0.86146
OpenStudy (anonymous):
can u help @TheRealMeeeee
OpenStudy (therealmeeeee):
wit wat
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OpenStudy (therealmeeeee):
with wat @lulu22
OpenStudy (anonymous):
the question at th top @TheRealMeeeee
OpenStudy (therealmeeeee):
i answered it already
OpenStudy (anonymous):
i dont see it @the
OpenStudy (therealmeeeee):
x^5 - x - 7 = 0 f(x) = x^5 - x - 7 f'(x) = 5x^4 - 1 x2 = x1 - (x1^5 - x1 - 7)/(5x1^4 - 1) = 1 + 7/4 = 11/4 = 2.75 x3 = 162843/72949 = 0.86146
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OpenStudy (anonymous):
so the answer is what @TheRealMeeeee
OpenStudy (therealmeeeee):
0.86146
OpenStudy (anonymous):
that is not a choice @TheRealMeeeee
OpenStudy (therealmeeeee):
wat thats wat i got then idk
OpenStudy (therealmeeeee):
thats wat i got
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OpenStudy (anonymous):
okk ught thanks anyways @TheRealMeeeee
OpenStudy (therealmeeeee):
np beautiful
OpenStudy (anonymous):
6
-6
All real numbers
No solution
OpenStudy (anonymous):
those are the choices tho
OpenStudy (anonymous):
-3(x + 3) = -3(x + 1) - 5
-3x - 9 = -3x - 3 - 5
-3x + 3x = -3 -5 + 9
0 = 1 (incorrect)
NO SOLUTION
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OpenStudy (anonymous):
okkk thank u soo much @kelliegirl33
OpenStudy (anonymous):
anytime :)