Loading...

Lesson 4: Dividing Polynomials — Practice Questions

  1. 1. Use synthetic division to divide $x^3 + 2x^2 - 13x + 10$ by $x - 3$. What is the remainder? ___

  2. 2. To divide the polynomial $2x^3 - 5x^2 + x - 9$ by $x + 3$ using synthetic division, what value of $c$ should be used?

    • A. 3
    • B. -3
    • C. 2
    • D. -9
  3. 3. When the polynomial $x^3 - 7x - 6$ is divided by $x + 2$, the remainder is ___.

  4. 4. For which of the following division problems can synthetic division be used directly, as described in the material?

    • A. $(x^3 - 1) / (x^2 + 1)$
    • B. $(2x^4 + 3x) / (2x - 1)$
    • C. $(x^2 + 5x + 6) / (x + 3)$
    • D. $(4x^3 + 8) / (x^2 - 4)$
  5. 5. Find the remainder when $z^4 + 3z^3 - 10z + 4$ is divided by $z - 2$. The remainder is ___.

  6. 6. What is the remainder when the polynomial $f(x) = x^3 - 3x^2 + 5x - 2$ is divided by $x - 2$? The remainder is ___.

  7. 7. To find the remainder when a polynomial $f(x)$ is divided by $x+4$, which value must be calculated?

    • A. $f(4)$
    • B. $f(-4)$
    • C. $f(0)$
    • D. $f(1)$
  8. 8. Use the Remainder Theorem to find the remainder when $f(x) = 2x^3 + 4x^2 - x + 7$ is divided by $x + 3$. The remainder is ___.

  9. 9. What is the remainder when $f(x) = x^3 - 5x^2 + 2x + 8$ is divided by $x - 1$?

    • A. 6
    • B. 0
    • C. 8
    • D. 16
  10. 10. Find the remainder when the polynomial $f(x) = x^3 - 64$ is divided by $x - 4$. The remainder is ___.