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Math Problems
Algebra 2
Add and subtract complex numbers
Find the sum of
9
+
9
i
9 + 9i
9
+
9
i
and its complex conjugate.
\newline
Write your answer in the form
a
+
b
i
a + bi
a
+
bi
.
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Simplify.
\newline
6
i
+
5
i
6i + 5i
6
i
+
5
i
\newline
Write your answer in the form
a
+
b
i
a + bi
a
+
bi
.
Get tutor help
Simplify.
\newline
−
3
i
−
2
i
-3i - 2i
−
3
i
−
2
i
\newline
Write your answer in the form
a
+
b
i
a + bi
a
+
bi
.
Get tutor help
Find the sum of
2
−
7
i
2 - 7i
2
−
7
i
and its complex conjugate.
\newline
Write your answer in the form
a
+
b
i
a + bi
a
+
bi
.
Get tutor help
Simplify.
\newline
−
3
i
−
4
i
-3i - 4i
−
3
i
−
4
i
\newline
Write your answer in the form
a
+
b
i
a + bi
a
+
bi
.
Get tutor help
Simplify.
\newline
6
i
−
5
i
6i - 5i
6
i
−
5
i
\newline
Write your answer in the form
a
+
b
i
a + bi
a
+
bi
.
Get tutor help
Simplify.
\newline
7
i
+
3
i
7i + 3i
7
i
+
3
i
\newline
Write your answer in the form
a
+
b
i
a + bi
a
+
bi
.
Get tutor help
Simplify.
\newline
9
i
+
11
i
9i + 11i
9
i
+
11
i
\newline
Write your answer in the form
a
+
b
i
a + bi
a
+
bi
.
Get tutor help
Simplify.
\newline
−
9
i
+
4
i
-9i + 4i
−
9
i
+
4
i
\newline
Write your answer in the form
a
+
b
i
a + bi
a
+
bi
.
Get tutor help
Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
1
1
1
−
9
-9
−
9
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
5
−
12
5-12
5
−
12
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
−
9
−
(
−
14
)
-9-(-14)
−
9
−
(
−
14
)
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
−
12
−
(
−
4
)
-12-(-4)
−
12
−
(
−
4
)
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
4
−
19
4-19
4
−
19
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
7
−
(
−
16
)
7-(-16)
7
−
(
−
16
)
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
−
12
−
3
-12-3
−
12
−
3
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
−
18
−
(
−
12
)
-18-(-12)
−
18
−
(
−
12
)
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
−
2
−
(
−
4
)
-2-(-4)
−
2
−
(
−
4
)
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
−
17
−
(
−
9
)
-17-(-9)
−
17
−
(
−
9
)
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
−
10
−
18
-10-18
−
10
−
18
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
14
−
13
14-13
14
−
13
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
−
13
−
(
−
4
)
-13-(-4)
−
13
−
(
−
4
)
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
7
−
4
7-4
7
−
4
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
−
7
−
14
-7-14
−
7
−
14
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
−
1
−
20
-1-20
−
1
−
20
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
−
5
−
20
-5-20
−
5
−
20
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
19
−
17
19-17
19
−
17
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
−
4
−
20
-4-20
−
4
−
20
\newline
Answer:
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Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
\newline
20
−
9
20-9
20
−
9
\newline
Answer:
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Given
h
(
x
)
=
3
x
−
2
h(x)=3 x-2
h
(
x
)
=
3
x
−
2
, find
h
(
3
)
h(3)
h
(
3
)
.
\newline
Answer:
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Convert the decimal below to a fraction in simplest form.
\newline
0.995
0.995
0.995
\newline
Answer:
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Convert the decimal below to a fraction in simplest form.
\newline
0.992
0.992
0.992
\newline
Answer:
\newline
Submit Answer
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Convert the decimal below to a fraction in simplest form.
\newline
0.92
0.92
0.92
\newline
Answer:
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Convert the decimal below to a fraction in simplest form.
\newline
0.992
0.992
0.992
\newline
Answer:
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Convert the decimal below to a fraction in simplest form.
\newline
0.599
0.599
0.599
\newline
Answer:
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Apply the distributive property to factor out the greatest common factor.
\newline
9
+
12
n
=
9+12 n=
9
+
12
n
=
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Combine the like terms to create an equivalent expression.
\newline
7
k
−
k
+
19
=
0
7k-k+19=\boxed{\phantom{0}}
7
k
−
k
+
19
=
0
Get tutor help
Simplify.
\newline
8
i
+
6
i
8i + 6i
8
i
+
6
i
\newline
\newline
Write your answer in the form
a
+
b
i
a + bi
a
+
bi
.
Get tutor help
