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  • Polynomials
  • Polynomials basics
  • Evaluating polynomials

Evaluating polynomials

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  • Question 1:
    1 pts
    		Evaluate $x + 2$ for $x = -3$

    5

    -1

    1

    4

  • Question 2:
    1 pts
    		Evaluate $-x - 4$ at $x = -4$

    0

    8

    -8

    4

  • Question 3:
    1 pts
    		evaluate $x^{17}+4x^{12}-5x^2-x+1$ for $x = 0$
    1
    11
    111
    1111
  • Question 4:
    2 pts
    		evaluate $x^{53}+x^{28}+1$ at $x =-1$
    -1
    0
    1
    2
  • Question 5:
    2 pts
    		It is easier to evaluate a polynomial before like terms have been combined than after.
  • Question 6:
    2 pts
    		if $p(x) = x^2+x+2$, than $p(-2) = 0$
  • Question 7:
    2 pts
    		Chose correct answer using the graph of the polynomial $p(x)$ (whose graph is shown in the figure).
    p(1)=2
    p(-2)>0
    p(3)>2
    p(-4)<0
  • Question 8:
    2 pts
    		evaluate $a^3b^2-a^2b+ab^3+b+14$ at $a=0$, $b=-24$

    -10

    -11

    -12

    -13

  • Question 9:
    2 pts
    		If $p(a,b) = a^2b + ab$ than $f(-1,-1)=0$
  • Question 10:
    3 pts
    		evaluate $a^2b-b^2a$ at $a=121$, $b=121$

    121

    11

    0

    -121

  • Question 11:
    3 pts
    		If $p(a,b)=-2a^3b+2$ than $p(-1,x) =$
    $p(-1,x)=12$
    $p(-1,x)=2b+2$
    $p(-1,x)= 2x+2$
    $p(-1,x)=2x^3+2$
  • Question 12:
    3 pts
    		if $p(a^3,b) = ab-b$ than
    $p(8,1)=1$
    $p(8,1)=2$
    $p(8,1)=3$
    $p(8,1)=4$
  • Question 13:
    3 pts
    		If $p(x)=(x+1)(3-x)(x-45)^2$ than $p(-31)<0$

Basics of polynomials

Polynomials Operations

Roots of polynomials

Factoring Polynomials

Graphing Polynomials

Rational exp. operations