Algebra IIA Unit III: Polynomials Review Select the best answer. 1. Which monomial has the highest degree? A 18a5 B 12a6b C 9a4b4 D 6a2b2c2 2. Which of the following is a fourth degree trinomial with a leading coefficient of 2? A x x2 2x4 B 2x4 8x3 x 2 3. Which of the following is equal to (3x2 4x 3) minus (x2 2x 3)? A 2x2 2x 6 C 2x2 6x 6 B 2x2 6x D 4x2 2x 4. Which of the following is equal to (x 3)(2x2 4x 1)? A 2x3 2x2 11x 3 B 2x3 2x2 13x 3 5. Which of the following is equal to (p 2r)3? A p3 8r3 C p3 3p2r 3pr2r3 B p3 8pr 8r3 D p3 6p2r 12pr2 8r3 6. Which of the following is equal to (x3 2x2 3x 6) divided by (x 2)? A x2 3 B x2 x 3 7. Which of the following is NOT a factor of (x3 x2 14x 24)? A x1 C x3 B x2 D x4 8. Which of the following is the complete factorization of (x4 16)? A (x2 4)(x2 4) B (x2 4)(x 2)(x 2) 9. If (2 3) is a root of a polynomial with integer coefficients, which of the following must be another root? 3 2 A 2 3 B C 2 3 D 3 2 10. Which is a list of all the roots of x3 3x2 28x? A {7, 0, 4} B {4, 0, 7} 11. Which is a third degree polynomial with 1 and 1 as its only zeros? A x3 x2 x 1 C x3 3x2 3x 1 B x3 x2 x 1 D x3 3x2 3x 1 12. Which is a list of all the roots of x3 x2 x 1 0? A {1, i, i } B {1, i, i } 13. What is the degree of the simplest polynomial with integer coefficients that has A 3 B 4 5 and 5i as zeros? C 5 D 6 14. Given P(x) 4x3 11x2 16x 9, describe the end behavior. 15. Which is a graph of an even function with a positive leading coefficient? A B C D 16. If f(x) x2 2x 3, which of the following is equal to g(x) f(x 1)? A x2 2 B x2 2x 4 17. Which of the following is a reflection of f(x) 2x3 3x2 4x 5 across the x-axis? A g(x) 2x3 3x2 4x 5 D k(x) 2x3 3x2 4x 5 B h(x) 2x3 3x2 4x 5 C j(x) 2x3 3x2 4x 5 18. If f(x) is a third degree polynomial function and g(x) f(2x), which of the following must be true? A f(x) and g(x) have the same x-intercepts. B f(x) and g(x)have the same y-intercept. 19.What is the degree of the polynomial that best fits the data below? x 1 2 3 4 5 6 y 33 8 1 0 7 32 A 2 C 4 B 3 D 5 20. A quintic polynomial has, at most, how many x-intercepts? A 3 C 5 B 4 D 6