85. 216x3 + 125y3 86. 45x2 + 324 = 0 x4 – 87. Use synthetic substitution to find and for the function g(x) = 8x3 3x + 2. g(3) g(–8) x5 – – Given a polynomial and one of its factors, find the remaining factors of the polynomial. Some of the factors may not be binomials. 88. 100x3 1000x2 121x + 1210; 10 x – – – 89. Describe the possible real zeros of = + 8x2 + 4x 3. f(x) –7x3 – 90. Find all of the zeros of the function = 11x2 + 36x 26. f(x) x3 – – 91. Find all of the zeros of the function = 5x3 79x2 + 354x 432. f(x) – – 92. Write a polynomial function of least degree with integral coefficients that has the given zeros. 6i –2, –8,–7 –
85. 216x3 + 125y3 86. x4 – 45x2 + 324 = 0 87. Use synthetic substitution to find g(3) and g(–8) for the function g(x) = x5 – 8x3 – 3x + 2. Given a polynomial and one of its factors, find the remaining factors of the polynomial. Some of the factors may not be binomials. 88. 100x3 – 1000x2 – 121x + 1210; x – 10 89. Describe the possible real zeros of f(x) = –7x3 + 8x2 + 4x – 3. 90. Find all of the zeros of the function f(x) = x3 – 11x2 + 36x – 26. 91. Find all of the zeros of the function f(x) = 5x3 – 79x2 + 354x – 432. 92. Write a polynomial function of least degree with integral coefficients that has the given zeros. –2, –8,–7 – 6i
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