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avatar+1993 

Aditya determines the remainder of  −12x^17+3x^5−9x^2−1/x+1 , using the remainder theorem.

How does he proceed to the correct answer?

Aditya evaluates the numerator of the expression when x = 1. He finds the remainder of the division to be −1 .

Aditya evaluates the numerator of the expression when x = 1. He finds the remainder of the division to be −19 .

Aditya evaluates the numerator of the expression when x=−1 . He finds the remainder of the division to be −19 .

Aditya evaluates the numerator of the expression when x=−1 . He finds the remainder of the division to be −1 .

i thinks its D

 

question 2

What does the remainder theorem conclude given that  f(x)/x+3 has a remainder of 11?

Enter your answer by filling in the underlines

f(__) = ___

 

 

 

 

 

 

 

 

I am complte unsur

 Aug 16, 2019
 #1
avatar+128408 
+2

First one....we are testing whether x + 1  is a divisor of the  numerator.....this is the same as  testing whether  -1  is a root....so.....

 

Sub  -1  into the the  numerato and we  get that

 

−12(-1)^17+3(-1)^5−9(-1)^2−1   =

 

12  - 3  - 9   -  1  =

 

-1

 

Aditya evaluates the numerator of the expression when x=−1 . He finds the remainder of the division to be −1 .

 

You are correct, Jenny!!!!

 

 

cool cool cool

 Aug 16, 2019
 #2
avatar+128408 
+2

question 2

What does the remainder theorem conclude given that  f(x)/x+3 has a remainder of 11?

Enter your answer by filling in the underlines

f(__) = ___

 

This says  that  f(-3)  = 11

 

cool cool cool

 Aug 16, 2019
 #3
avatar+1993 
+1

Thank you for checking my first answer and helping me with the second! I was overthinking the second onesmiley

jjennylove  Aug 16, 2019
 #4
avatar+128408 
0

OK....no prob....!!!

 

cool cool cool

CPhill  Aug 16, 2019

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