문제 57
Use synthetic division to determine whether the given number k is a zero of the polynomial function. If it is not, give the value of ƒ(k). ƒ(x) = x2 - 2x + 2; k = 1-i
문제 59
Use synthetic division to determine whether the given number k is a zero of the polynomial function. If it is not, give the value of ƒ(k). ƒ(x) = x2 + 3x + 4; k = 2+i
문제 61
Use synthetic division to determine whether the given number k is a zero of the polynomial function. If it is not, give the value of ƒ(k). ƒ(x) = 4x4 + x2 + 17x + 3; k= -3/2
문제 63
Use synthetic division to determine whether the given number k is a zero of the polynomial function. If it is not, give the value of ƒ(k). ƒ(x) = x3 + 3x2 -x + 1; k = 1+i
문제 65
The remainder theorem indicates that when a polynomial ƒ(x) is divided by x-k, the remainder is equal to ƒ(k). Consider the polynomial function ƒ(x) = x3 - 2x2 - x+2. Use the remainder theorem to find each of the following. Then determine the coordinates of the corresponding point on the graph of ƒ(x). ƒ (-2)
문제 69
The remainder theorem indicates that when a polynomial ƒ(x) is divided by x-k, the remainder is equal to ƒ(k). Consider the polynomial function ƒ(x) = x3 - 2x2 - x+2. Use the remainder theorem to find each of the following. Then determine the coordinates of the corresponding point on the graph of ƒ(x). ƒ (1)
문제 1
Determine whether each statement is true or false. If false, explain why. Because x-1 is a factor of ƒ(x)=x6-x4+2x2-2, we can also conclude that ƒ(1) = 0.
문제 3
Determine whether each statement is true or false. If false, explain why. For ƒ(x)=(x+2)4(x-3), the number 2 is a zero of multiplicity 4.
문제 5
Determine whether each statement is true or false. If false, explain why. A polynomial function having degree 6 and only real coefficients may have no real zeros.
문제 9
Use the factor theorem and synthetic division to determine whether the second polynomial is a factor of the first. x3-5x2+3x+1; x-1
문제 15
Use the factor theorem and synthetic division to determine whether the second polynomial is a factor of the first. 4x2+2x+54; x-4
문제 17
Use the factor theorem and synthetic division to determine whether the second polynomial is a factor of the first. x3+2x2+3; x-1
문제 18
Use the factor theorem and synthetic division to determine whether the second polynomial is a factor of the first. 2x3+x+2; x+1
문제 19
Use the factor theorem and synthetic division to determine whether the second polynomial is a factor of the first.
문제 22
Factor ƒ(x) into linear factors given that k is a zero.
문제 25
Factor ƒ(x) into linear factors given that k is a zero.
문제 31
Factor into linear factors given that k is a zero. (multiplicity )
문제 32
Factor into linear factors given that k is a zero. (multiplicity )
문제 33
For each polynomial function, one zero is given. Find all other zeros.
문제 34
For each polynomial function, one zero is given. Find all other zeros.
문제 36
For each polynomial function, one zero is given. Find all other zeros.
문제 37
For each polynomial function, one zero is given. Find all other zeros.
문제 48
For each polynomial function, find all zeros and their multiplicities.
문제 49
For each polynomial function, find all zeros and their multiplicities.
문제 51
For each polynomial function, find all zeros and their multiplicities.
문제 52
For each polynomial function, find all zeros and their multiplicities.
문제 53
Find a polynomial function ƒ(x) of degree 3 with real coefficients that satisfies the given conditions. Zeros of -3, 1, and 4; ƒ(2)=30
문제 55
Find a polynomial function ƒ(x) of degree 3 with real coefficients that satisfies the given conditions. Zeros of -2, 1, and 0; ƒ(-1)=-1
문제 57
Find a polynomial function ƒ(x) of degree 3 with real coefficients that satisfies the given conditions. Zero of -3 having multiplicity 3; ƒ(3)=36
문제 61
Find a polynomial function ƒ(x) of least degree having only real coefficients and zeros as given. Assume multiplicity 1 unless otherwise stated. 5+i and 5-i
Ch. 3 - Polynomial and Rational Functions
