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Combining like terms
Combining like terms
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Question 1:
1 pts
$3abx^2$ and $-3abx$
are
are not
like terms
Question 2:
1 pts
2 and
$3x$
$2x$
$-1$
are like terms
Question 3:
1 pts
Select an option with like terms
$2x^2, -3x^2y, 2xy$
$3xy^2, 5xy^3, 2xy^2$
$3x, 2, 4x$
$-2x^2y, 5x^2y, -\sqrt{3}x^2y$
Question 4:
1 pts
Is the following statement true or false? $$x + x = x^2$$
Question 5:
1 pts
Combine like terms in polynomial $3x-5x$.
$2x$
$-2$
$-2x^2$
$-2x$
Question 6:
2 pts
Simplify $x^2+x^3$
$5x$
$x^5$
$5x+x^5$
cannot be simplified
Question 7:
2 pts
Simplify $5x^2-3x-7x^2+3-2x-3$
$-2x^2-5x-6$
$2x^2-5x$
$-2x^2-5x$
cannot be simplified
Question 8:
2 pts
Simplify $3ab^2-2ab-4ab^2+4ab+ab^2$
$8ab^2+2ab$
$2ab$
$6ab$
cannot be simplified
Question 9:
3 pts
Simplify: $2(a+b)-4(a+b)$
$6(a+b)$
$2(a+b)$
$-2(a+b)$
cannot be simplified
Question 10:
3 pts
Combine like terms: $$\frac{3}{4a} + \frac{3}{2a}-\frac{1}{4a}$$
$\frac{1}{a}$
$\frac{2}{a}$
$\frac{1}{2a}$
$\frac{2}{4a}$
Question 11:
3 pts
Simplify: $5(a^2-b)-6(a^2-b)+3(a^2-b)$
$a^2$
$a^2+b$
$b$
$2(a^2-b)$
Question 12:
3 pts
Simplify: $\frac{1}{3}(x-2y^2)-\frac{1}{6}(x-2y^2)$
$\frac16(x-2y^2)$
$x-2y^2$
$-\frac13(x-2y^2)$
$-\frac16(x-2y^2)$
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