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Complex Numbers
Page 10
Questions (969)
fourth roots of 1-root3i
1 answer
asked by
joe
314 views
find the polar form of the complex number: square root 3 minus square root 3i
2 answers
asked by
Anonymous
625 views
find the cube roots of the complex number.
27((cos(11pi/6)) + i(sin(11pi/6))
2 answers
asked by
YOSHI
654 views
write the complex number in standard form a+bi
sqrt 7 (cos pi/12 + i sin pi/12) (sqrt = square root, i= imaginary number)
5 answers
asked by
YOSHI
619 views
write the complex number in standard form a+bi
sqrt 7 (cos pi/12 + i sin pi/12) (sqrt = square root, i= imaginary number)
1 answer
asked by
YOSHI
922 views
what is the cube root of (-64i)?
1 answer
asked by
Jackie
273 views
Use Demoivre's Theorem to find the fourth roots of -16. Leave the four roots in trigonometric form. How the heck do i do this?
2 answers
asked by
Carl
587 views
Write each expression in problems 1 to 3 in the form a + bi.
1. (8-3i)+(-6+2i) 2. 4/(2-i) 3. (3-2i)^3 I do not understand at all
5 answers
asked by
PreCal
1,012 views
(9+4i)+(-13+7i)
1 answer
asked by
briana
203 views
Simplifying the expression
(-5+i)/(2i)
5 answers
asked anonymously
32 views
-i squared square root of -80
1 answer
asked by
michelle
341 views
3 + 3i + 8 − 2i − 7
3 answers
asked by
dmj
254 views
I^2=-1
T/F
3 answers
asked anonymously
27 views
All complex numbers can be graphed on real xy coordinate plane
T/F
3 answers
asked anonymously
138 views
Write three examples of complex numbers. Make one example be just an integer, the next example a purely imaginary number, and
3 answers
asked anonymously
49 views
Create rules for how to Identify the real and imaginary part of complex numbers. Explore what effect, if any, negative values
3 answers
asked anonymously
46 views
All complex numbers can be graphed on the real xy coordinate plane.(1 point)
Responses True True False
3 answers
asked anonymously
109 views
i^2=−1
(1 point) Responses True True False
3 answers
asked anonymously
19 views
i2=−1
(1 point) Responses True True False False Skip to navigation
3 answers
asked anonymously
37 views
Any number in the form of a+bi
, where a and b are real numbers and b≠0 is considered a pure imaginary number. (1 point)
3 answers
asked anonymously
67 views
Which of the following shows an expression equivalent to the product of two complex numbers, 5i * 4i?
3 answers
asked anonymously
47 views
Which of the following correctly simplifies the expression -17 + 5 + 3i - 8 and expresses it in the form of a + bi?
3 answers
asked anonymously
64 views
when the square root of a # is -2
when would the answer be 2i or just square root of -2. Because when I sometimes do problems,
1 answer
asked by
Amy
291 views
The complex function in Python is a built-in function that stores numbers as complex numbers. The syntax is complex ([real[,
3 answers
asked anonymously
63 views
The complex function in Python is a built-in function that stores numbers as complex numbers. The syntax is complex ([real[,
3 answers
asked anonymously
85 views
This is the problem you helped me with. I was curious, do I write the solution set as (1 + i3�ã3)/2,
(1-i3�ã3)/2 change it to
1 answer
asked by
Sabrina
472 views
1.) Explain why |8-15i| = 17
3 answers
asked by
Eliza
544 views
Simplify.
#1. 5(2-i) - 3(4+3i) ..my work: 10-5i-12-9i -2-14i Do you leave this as the answer or can you simplify it further? #2.
2 answers
asked by
Hayden
952 views
how do you simplify (8-(sqrt-36)) / 4 and express it in a+bi format?
thanks
1 answer
asked by
Jen
327 views
let i = the square root of -1 with i to the 1st power =i, i to the 2nd power= -1, i to the 3rd power =-i , i to the 4th power=1
2 answers
asked by
kate
577 views
Represent the complex number graphically and find the standard form of the number 5(cos 135* + isin 135*)
1 answer
asked by
Jessica
452 views
Is this right?
(4-i)(-3+4i) -12+16i+3i-4i^2 -12+19i+4 -8+19i (answer)
1 answer
asked by
Amy~
295 views
Does anyone know what i means is it square root of i?
Also what is i^2 , i^3, i^4, i^5 I know that there 1, -1, -i, i but I
1 answer
asked by
Amy~
366 views
1) (3i)(-5i)
Do I just distribute?
1 answer
asked by
Amy~
277 views
Can anyone please show me how to solve (5¡Ì7 ¨C 10¡Ì2)(4¡Ì7 + 8¡Ì2)
1 answer
asked by
Amber
258 views
Simplify the number using the imaginary unit i.
square root -28 (1 point) Responses 2 square root -7 Image with alt text: 2
3 answers
asked by
Big Money$
60 views
Identify the graph of 4 + 2i.
(1 point) Responses graph a Image with alt text: graph a graph b Image with alt text: graph b graph
3 answers
asked by
Big Money$
56 views
Question
Simplify the expression. (5 – 5i) – (–6 – 3i) (1 point) Responses –1 – 8i –1 – 8 i 11 – 2i 11 – 2 i
3 answers
asked by
Big Money$
26 views
Which answer could be the result of two complex conjugates being multiplied together?
9 - 9i 16i 20 25 + 4i
3 answers
asked anonymously
74 views
(2-2i)^5
find the given power write answer in rectangular form
2 answers
asked by
stacey graham
683 views
(10-3i)-(-7+6i)
1 answer
asked by
Lisa
248 views
(3+4i)(3-4i)
5 answers
asked by
mada
209 views
Sorry i wrote the last question wrong, it was suppose to be written as:
information is given about the polynomial f(x) whose
1 answer
asked by
hawra
389 views
find the sum of -2 plus 3i and -1 minus 2i ..........im not sure how to do it can anyone help me out?/
2 answers
asked by
Lia
892 views
Which of the following choices is a solution for:
(-3-i)x1 + (1-2i)x2 = 0 (-7-9i)x1 + (7-4i)x2 = 0 for any value of the variable
3 answers
asked by
Michael
352 views
I'm have a few questions about i:
-How come sometimes you solve to get rid of it, other times you leave the it? For example,
1 answer
asked by
Rosalie
464 views
Thanks so much your method worked perfectly!
My solution was: the remaining zeros were 5+2i, 3, and -4 I have one question that's
2 answers
asked by
Zach
618 views
express the complex number in standard form(that is like a+bi)
1/2+i 2+i/2-i
5 answers
asked by
kim
384 views
The answer for (7+5i)+(-4+2i) is 3+7i. But I got -38-6i. I combined -28 and 10i^2 to get -38, and I combined -20i and 14i to get
4 answers
asked by
Paige
327 views
Enter your answer and show all the steps that you use to solve this problem in the space provided.
Simplify the expression? -5 +
3 answers
asked by
gutguy420
21 views
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Parent Categories (26)
Algebra
Algebraic Equations
Algebraic Expressions
Algebraic Manipulation
Algebraic operations
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Calculus
Complex Analysis
Coordinate Geometry
Equations
Equations and Inequalities
Linear Algebra
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Mathematics
Number Systems
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Numbers and Operations
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Trigonometry/Polar Coordinates