Pre calc  Write the complex # in standard form -9i^2-3i   It gave me a example video and I followed it but it say its wrong.   Can you please explain step by step

Q: Find the real and imaginary parts of the complex number. 6 + 7i 2 real part 3 7i imaginary part - 2

A:

Q: Write the complex conjugate of the complex number. 6 + 5i Multiply the number by its complex…

A: Given: Complex number 6+5i

Q: Multiply. [x-(3+6:)][x-(3-6i)] Note that these expressions contain complex numbers. Simplify your…

A:

Q: Solve the equation in the complex number system. Check your results using a graphing utility. 5x2 +…

A: To Determine: Solve the equation in the complex number system. Check your results using a graphing…

Q: -2+3i . Find the complex conjugate, Z. Write your answer in a + ib 3-2 Given Z= form.

A:

Q: My work with complex numbers verified that the only possible cube root of 8 is 2.Determine whether…

A: Concept: The calculus helps in understanding the changes between values that are related by a…

Q: -2+3i Given Z = Find the complex conjugate, Z. Write your answer in a + ib 3-2 form.

A: Complex conjugate of a+ib = a-ib

Q: Divide complex numbers: 5- 21 1-21

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Q: Divide complex numbers: 3- 2i 2-

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Q: Solve the equation in the complex number system. Check your results using a graphing utility. x2 - x…

A: Given: x2-x+1=0  ……1

Q: Refer to the complex expression below. Simplify it and enter your result in the text box. Write a…

A:

Q: Solve the equation in the complex number system. Check your results using a graphing utility. x2 -…

A: x2-16=0

Q: Please write introduction and conclusion of the Complex Numbers

A: See the attachment

Q: Solve the equation in the complex number system. Check your results using a graphing utility. x2 + x…

A: Given equation  x2 + x + 1 = 0

Q: Complex numbers can be plotted in the complex plane, where the horizontal axis is the axis and the…

A: Complex number z= x+ iy , where 'x' is the real part and 'y' is the imaginary part.

Q: complex number,

A: We have a given complex number : z=2i We have to find the square root ,modules of this number and…

Q: Divide. -5i -3-2i Write your answer as a complex number in standard form.

A: The given expression is -5i-3-2i

Q: How do you multiply two complex numbers written in trigonometric form?

A: Given, to determine multiplication of the complex number written in trigonometric form.

Q: True or False The square of a complex number issometimes negative

A: Given : The square of a complex number issometimes negative.

Q: Solve the equation in the complex number system. Check your results using a graphing utility. 13x2 +…

A: 13x2 + 1 = 6x

Q: Simplify the complex fraction. 25х2 - у2 ху 5 1 у х 25x2 - y? ху 1 у х II

A: Topic - simplification

Q: (-9 9-10i) (2-7i)

A: Simplification

Q: Express -5 sqrt-4 as a complex number -5 sqrt-4=

A: Given,            -5-4

Q: Express -5 + V-36 as a simplified complex number -5+ V-36 = %3D

A: Given:   To determine: The given complex number in simplified form.

Q: What is the rectangular form equivalent of 11@11 degrees? Subject: Complex numbers

A:

Q: 7-3i What is as a single complex number? What do you notice? 5-2i

A: To convert in single complex number

Q: Explain geometrically or algebraically how magnitude of a complex number is equivalent to…

A:

Q: Find the complex conjugate of - 3+2 i. The complex conjugate of - 3+2i is (Type your answer in the…

A: In this question we have to find the complex conjugate of a complex number.

Q: A complex number has : A real part and a complex part B real part and imaginary part C Imaginary…

A: All complex numbers can be written in the form a+ib where a : real part of the complex number b :…

Q: Bonus: Write the expression as a complex number in standard form. 5i(-2+ i)

A: The standard form of a complex number is x+yi.

Q: 6.1,

A: To simplify the given complex number and express it in the usual notation

Q: 2.2 Simplify the complex power (E) -2i and leave your answer in its simplest form.

A: Given that, the complex expression is 1+i1-i-2i.

Q: V-2 Convert the given complex numbers to the indicated form correct to three decimal places: 7.2e5…

A: Given that: Let z=7.2ej1.5

Q: Write the complex number in standard form. (Simplify your answer completely.) 3 cis 210°

A:

Q: How do you add two complex numbers?

A: Suppose two complex numbers a=x1+iy1, b=x2+iy2

Q: Adde (3-3)+(5-9i) Write your answer as a complex number in Standard form.

A: Since in complex number we add the real part to real parts and imaginary part with imaginary part…

Q: I submitted a question on write the complex # in standard form -9i^2 - 3i the answer you supplied is…

A: Simplify the given complex number as follows.

Q: Simplify sio2

A: Answer

Q: Solve the equation in the complex number system. Check your results using a graphing utility. x4 =…

A: The equation: x4=16

Q: Computer three complex cubic root of 2-2i

A:

Q: Write the complex conjugate of the complex number. 2 + 5i Multiply the number by its complex…

A:

Q: Write the complex number in standard form. (Simplify your answer completely.) cis 210°

A: cis (x) = cos x + i sin x

Q: Subtract the two complex numbers: (2 – 3i) – (3 – 2i). What do you notice?

A: Two complex numbers can be subtracted by doing the subtraction of real and imaginary parts…

Q: Solve the equation in the complex number system. Check your results using a graphing utility. x2 - 4…

A: To solve the equation: x2-4=0 Solution: Given equation is: x2-4=0 On simplifying further we get:…

Q: Solve the equation in the complex number system. Check your results using a graphing utility. x2 -…

A: Since,the equation x2-2x+5=0 can not be factored completly,So to solve the equation in the complex…

Q: Solve the equation in the complex number system. Check your results using a graphing utility. x2 +…

A: Given: x2+4x+8 =0

Q: complex

A:

Q: 7,

A: To find the value of the given expression as a complex number, in the usual notation