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Combining like terms
Combining like terms
ans:
syntax error
C
DEL
ANS
±
(
)
÷
×
7
8
9
–
4
5
6
+
1
2
3
=
0
.
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Question 1:
1 pts
3
a
b
x
2
3abx^2
3
ab
x
2
and
−
3
a
b
x
-3abx
−
3
ab
x
are
are not
like terms
Question 2:
1 pts
2 and
are like terms
Question 3:
1 pts
Select an option with like terms
2
x
2
,
−
3
x
2
y
,
2
x
y
2x^2, -3x^2y, 2xy
2
x
2
,
−
3
x
2
y
,
2
x
y
3
x
y
2
,
5
x
y
3
,
2
x
y
2
3xy^2, 5xy^3, 2xy^2
3
x
y
2
,
5
x
y
3
,
2
x
y
2
3
x
,
2
,
4
x
3x, 2, 4x
3
x
,
2
,
4
x
−
2
x
2
y
,
5
x
2
y
,
−
3
x
2
y
-2x^2y, 5x^2y, -\sqrt{3}x^2y
−
2
x
2
y
,
5
x
2
y
,
−
3
x
2
y
Question 4:
1 pts
Is the following statement true or false?
x
+
x
=
x
2
x + x = x^2
x
+
x
=
x
2
Question 5:
1 pts
Combine like terms in polynomial
3
x
−
5
x
3x-5x
3
x
−
5
x
.
2
x
2x
2
x
−
2
-2
−
2
−
2
x
2
-2x^2
−
2
x
2
−
2
x
-2x
−
2
x
Question 6:
2 pts
Simplify
x
2
+
x
3
x^2+x^3
x
2
+
x
3
5
x
5x
5
x
x
5
x^5
x
5
5
x
+
x
5
5x+x^5
5
x
+
x
5
cannot be simplified
Question 7:
2 pts
Simplify
5
x
2
−
3
x
−
7
x
2
+
3
−
2
x
−
3
5x^2-3x-7x^2+3-2x-3
5
x
2
−
3
x
−
7
x
2
+
3
−
2
x
−
3
−
2
x
2
−
5
x
−
6
-2x^2-5x-6
−
2
x
2
−
5
x
−
6
2
x
2
−
5
x
2x^2-5x
2
x
2
−
5
x
−
2
x
2
−
5
x
-2x^2-5x
−
2
x
2
−
5
x
cannot be simplified
Question 8:
2 pts
Simplify
3
a
b
2
−
2
a
b
−
4
a
b
2
+
4
a
b
+
a
b
2
3ab^2-2ab-4ab^2+4ab+ab^2
3
a
b
2
−
2
ab
−
4
a
b
2
+
4
ab
+
a
b
2
8
a
b
2
+
2
a
b
8ab^2+2ab
8
a
b
2
+
2
ab
2
a
b
2ab
2
ab
6
a
b
6ab
6
ab
cannot be simplified
Question 9:
3 pts
Simplify:
2
(
a
+
b
)
−
4
(
a
+
b
)
2(a+b)-4(a+b)
2
(
a
+
b
)
−
4
(
a
+
b
)
6
(
a
+
b
)
6(a+b)
6
(
a
+
b
)
2
(
a
+
b
)
2(a+b)
2
(
a
+
b
)
−
2
(
a
+
b
)
-2(a+b)
−
2
(
a
+
b
)
cannot be simplified
Question 10:
3 pts
Combine like terms:
3
4
a
+
3
2
a
−
1
4
a
\frac{3}{4a} + \frac{3}{2a}-\frac{1}{4a}
4
a
3
+
2
a
3
−
4
a
1
1
a
\frac{1}{a}
a
1
2
a
\frac{2}{a}
a
2
1
2
a
\frac{1}{2a}
2
a
1
2
4
a
\frac{2}{4a}
4
a
2
Question 11:
3 pts
Simplify:
5
(
a
2
−
b
)
−
6
(
a
2
−
b
)
+
3
(
a
2
−
b
)
5(a^2-b)-6(a^2-b)+3(a^2-b)
5
(
a
2
−
b
)
−
6
(
a
2
−
b
)
+
3
(
a
2
−
b
)
a
2
a^2
a
2
a
2
+
b
a^2+b
a
2
+
b
b
b
b
2
(
a
2
−
b
)
2(a^2-b)
2
(
a
2
−
b
)
Question 12:
3 pts
Simplify:
1
3
(
x
−
2
y
2
)
−
1
6
(
x
−
2
y
2
)
\frac{1}{3}(x-2y^2)-\frac{1}{6}(x-2y^2)
3
1
(
x
−
2
y
2
)
−
6
1
(
x
−
2
y
2
)
1
6
(
x
−
2
y
2
)
\frac16(x-2y^2)
6
1
(
x
−
2
y
2
)
x
−
2
y
2
x-2y^2
x
−
2
y
2
−
1
3
(
x
−
2
y
2
)
-\frac13(x-2y^2)
−
3
1
(
x
−
2
y
2
)
−
1
6
(
x
−
2
y
2
)
-\frac16(x-2y^2)
−
6
1
(
x
−
2
y
2
)
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Pre-algebra
Polynomials
Linear equations
Quadratic equations
Radicals
Exponents and Logarithms
Trigonometry
Algebra 2
Geometry
Solid Figures
Basics of polynomials
Definition, degree and names
Evaluating polynomials
Polynomials Operations
Combining like terms
Adding and subtracting
Multiplying polynomials
Division and Remainder theorem
Roots of polynomials
Properties of polynomial roots
Rational roots and Descartes Rule
Factoring Polynomials
Factoring out a common factor
Factoring by grouping
Difference between two squares
Perfect square trinomial
Greatest common factor
Factoring trinomials
Graphing Polynomials
Identifying polynomials graph
Transformations of polynomial functions
Rational exp. operations
Reducing Expressions
Multiplying Expressions
Dividing Expressions
Add & Subtract
