Polynomial division (where D(x)#0) can be used to change any polynomial in standard form into the P(x) D(x) form P(x)=D(x):Q(x)+R. Use polynomial division to rewrite each polynomial in this form given the divisor. Do P(x) = 2x-21x2 -9x-30 a. P(x) = 3x +5x -4x+3 b. D, (x) = x-11 D (x) = x +2 c. Use the original polynomial in part (a) to evaluate P(11). Then use your rewritten polynomial to evaluate P(11). What do d. Use the original polynomial in part (b) to evaluate P(-2). Then use your rewritten polynomial to notice? evaluate P(-2). What do you notice? you

College Algebra
7th Edition
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Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter3: Polynomial And Rational Functions
Section3.3: Dividing Polynomials
Problem 76E
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8-91 a and b and c
8-91.
Polynomial division
P(x)
D(x)
(where D(x)#0) can be used to change any polynomial in standard form into the
form P(x)=D(x) Q(x)+R. Use polynomial division to rewrite each polynomial in this form given the divisor D
P(x)= 2x-21x2-9x-30
D, (x) = x -11
P(x) = 3x +5x-4x+3
b.
a.
D2(x) = x +2
c. Use the original polynomial in part (a) to evaluate
P(11). Then use your rewritten polynomial to evaluate
P(11). What do you notice?
d. Use the original polynomial in part (b) to evaluate
P(-2). Then use your rewritten polynomial to
evaluate P,(-2). What do you notice?
Transcribed Image Text:8-91. Polynomial division P(x) D(x) (where D(x)#0) can be used to change any polynomial in standard form into the form P(x)=D(x) Q(x)+R. Use polynomial division to rewrite each polynomial in this form given the divisor D P(x)= 2x-21x2-9x-30 D, (x) = x -11 P(x) = 3x +5x-4x+3 b. a. D2(x) = x +2 c. Use the original polynomial in part (a) to evaluate P(11). Then use your rewritten polynomial to evaluate P(11). What do you notice? d. Use the original polynomial in part (b) to evaluate P(-2). Then use your rewritten polynomial to evaluate P,(-2). What do you notice?
8-91.
Polynomial division (where D(x)#0) can be used to change any polynomial in standard form into the
form P(x)-D(x)·Q(x)+R. Use polynomial division to rewrite each polynomial in this form given the divisor, D(x).
P(x) = 2x-21x2-9x-30
D, (x) = x-11
P(x) = 3x +5x³ - 4x +3
b.
a.
D; (x) = x +2
c. Use the original polynomial in part (a) to evaluate
P(11). Then use your rewritten polynomial to evaluate
d. Use the original polynomial in part (b) to evaluate
P(-2). Then use your rewritten polynomial to
evaluate P,(-2). What do you notice?
P(11). What do you notice?
e. The Remainder Theorem states that if a
polynomial P(x) is divided by (x-c), then the remainder is
the value of P(c). Why do you think this is true?
f. What can you conclude if P(x) is divided by (x-c) and
the remainder is 0?
Transcribed Image Text:8-91. Polynomial division (where D(x)#0) can be used to change any polynomial in standard form into the form P(x)-D(x)·Q(x)+R. Use polynomial division to rewrite each polynomial in this form given the divisor, D(x). P(x) = 2x-21x2-9x-30 D, (x) = x-11 P(x) = 3x +5x³ - 4x +3 b. a. D; (x) = x +2 c. Use the original polynomial in part (a) to evaluate P(11). Then use your rewritten polynomial to evaluate d. Use the original polynomial in part (b) to evaluate P(-2). Then use your rewritten polynomial to evaluate P,(-2). What do you notice? P(11). What do you notice? e. The Remainder Theorem states that if a polynomial P(x) is divided by (x-c), then the remainder is the value of P(c). Why do you think this is true? f. What can you conclude if P(x) is divided by (x-c) and the remainder is 0?
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