One factor of f(x) = 5x + 5x2 - 170x+ 280 is (x + 7). What are all the roots of the function? Use the Remainder Theorem.
2 answers:
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Each term is doubled
the equation is
where an=nth term
a1=first term
n=which term
ok
so if the 9th term is x then the 10th term is 2x then 11th is 4x
so how much larger is the 11th term than the 9th term?
4x vs x
it's 4 times bigger or 400%
the equation is
a1=first term
n=which term
ok
so if the 9th term is x then the 10th term is 2x then 11th is 4x
so how much larger is the 11th term than the 9th term?
4x vs x
it's 4 times bigger or 400%