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• Polynomials
• Operations on Polynomials

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•  Question 1: 1 pts Add $x-3$ and $3x+3$
 $4x-6$ $2x$ $4x$ $4x+6$
•  Question 2: 1 pts Add $x^2-x$ and $-x+x^2$.
 $2x^2+2x$ $0$ $2x^2-2x$ $2x^2$
•  Question 3: 1 pts Subtract $2x$ from $x$
 $x$ $3x$ $-3x$ $-x$
•  Question 4: 2 pts Subtract $4x^2-5x+1$ from $5x^2-x+1$
 $x^2+4x$ $-x^2-4x$ $x^2+4x+2$ $-x^2-4x+2$
•  Question 5: 2 pts Perform the indicated operations $-2+[x-x-(x-2)]$
 $-2$ $2$ $x$ $-x$
•  Question 6: 2 pts Perform the indicated operations $x+1-[x-(x+1)+1]$
 $0$ $x$ $x+1$ $-x-1$
•  Question 7: 2 pts Which of the following simplifies to 0?
 $x - 2(x+1)+x+3$ $2x-3(x-1)+x-3$ $2(x-1)-2(x+1)$ $x-3\left(x-2(x-1)\right)$
•  Question 8: 2 pts Which polynomial you need to add to $x^2-x$ to get $x$?
 $x^2+2x$ $-x^2-x$ $2x$ $2x-x^2$
•  Question 9: 3 pts Simplify $[2x-3+2(x-1)]-[-x-(1-x)]$
 $4x-5$ $4x-4$ $4x-2$ $4x-1$
•  Question 10: 3 pts Add polynomials $a^2b+3ab-ab^2$ and $ba+b^2a-2a^2b$
 $-a^2b+4ab$ $-a^2b+3ab+ba$ $4ab$ $a^2b-3ab^2$
•  Question 11: 3 pts Subtract $4xy-x^2y$ from $x^2y-2xy$
 $-6xy$ $2xy$ $2x^2y+2xy$ $2x^2y-6xy$