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OpenStudy (anonymous):
find a value of k so that (x+2) will be a factor of x^3 - 4x^2 +kx +2
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OpenStudy (hba):
Use synthetc division method @mbailey1
OpenStudy (anonymous):
can you help me solve it using that? @hba
OpenStudy (hba):
@mbailey1 Are you familiar with SDM ?
OpenStudy (anonymous):
no @hba
OpenStudy (campbell_st):
use the factor theorem f(-2) = 0 so (-2)^3 -4(-2)^2 +k(-2) + 2 = 0 solve for k...
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OpenStudy (anonymous):
i got -3 =k, is that right @campbell_st
OpenStudy (campbell_st):
nope... i don't think its correct...
OpenStudy (anonymous):
what did you get? @campbell_st
OpenStudy (campbell_st):
I didn't get -3 its -8 - 16 -2k + 2 = 0
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