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Tests on Polynomials basics

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Current: Definitions, degrees and names of polynomials
  • Q1:
    1 pts
    Which expression is not a polynomial?
    $x^3-2x^2 + 3x - 2$
    $-3x + 5x^{14}-3$
    $x^{-2} + x$
    $5$
  • Q2:
    1 pts
    the expression $x^3-\sqrt{2}$ is a polynomial.
  • Q3:
    2 pts
    Which expression is a polynomial?
    $\sqrt{11}$
    $\frac1x+x$
    $x^{-2}-1$
    $\sqrt{x} + x$
  • Q4:
    2 pts
    the expression $\sqrt{12}x^4-2x^2-\sqrt{143}$ is a polynomial.
  • Q5:
    1 pts
    The degree of the polynomial: $4x^5 - 5x^4 - 3x^2 + 2 $ is

    2

    3

    4

    5

  • Q6:
    1 pts
    The degree of polynomial whose graph is shown in the figure is:

    0

    1

    2

    3

  • Q7:
    1 pts
    The degree of polynomial: $2x^3 - 5x^4 - 10x + 9$ is

    2

    3

    4

    5

  • Q8:
    1 pts
    $x^3-3$ is a
  • Q9:
    1 pts
    $4x^{12}+3x-1$ is a
  • Q10:
    1 pts
    $4x^2+3x^2$ is a
  • Q11:
    2 pts
    The sum of two trinomials is always a trinomial?
  • Q12:
    2 pts
    The degree of polynomial: $2x^3y - 5x^2y^3 - 10xy + 9x$ is

    2

    3

    4

    5

  • Q13:
    3 pts
    What is the degree of $(x^3 -4x^5 +2x + 1)(x^2-x^8+11)$?

    40

    5

    13

    6

  • Q14:
    3 pts
    The degree of polynomial $(2x -11)(x^2+5x-6)^2(x^4-x)$ is

    7

    8

    9

    10

  • Q15:
    3 pts
    The degree of 0 is 0
  • Q16:
    3 pts
    It is possible to subtract two polynomials, each of degree 4, and have the difference be a polynomial of degree 3.
  • Q17:
    3 pts
    Polynomials with odd degree always have at least one real root?