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• Tests on Polynomials basics
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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?