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blondinia [14]
4 years ago
10

Determine, if possible, if (y – 1) is a factor (y3 – 9y2 + 10y +5).

Mathematics
2 answers:
katrin2010 [14]4 years ago
6 0

Answer:

Option A.

Step-by-step explanation:

We have P(y)=y^3-9y^2+10y+5 and (y-1) is a factor of P(y) if and only if P(1)=0, this means if:

y-1=0

y=1

Now we have to replace y=1 in P(y)=y^3-9y^2+10y+5 this is:

P(1)=1^3-9.(1)^2+10.(1)+5\\P(1)=1-9+10+5\\P(1)=7\neq 0

Then P(1)\neq 0 this means that (y-1) isn't a factor of y^3-9y^2+10y+5.

And the correct option is A.

alukav5142 [94]4 years ago
3 0
I hope this helps you



C

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