Which complex number has an absolute value of 5


Asked by wiki @ in Mathematics viewed by 238 People


Which complex number has an absolute value of 5?

A)–3 + 4i
B)2 + 3i
C)7 – 2i
D)9 + 4i

Answered by wiki @



For this case we can use the Pythagorean theorem to solve the problem.
 We have then for the following complex number:
 -3 + 4i

 Using the Pythagorean theorem:
  \sqrt{(-3)^2+(4)^2}
 Rewriting we have:
  \sqrt{9+16}
  \sqrt{25}
 5
 Answer:
 
A complex number that has an absolute value of 5 is:
 
A)–3 + 4i



Do you know the better answer?

Similar Questions

X times x 2

Asked by wiki @ in Mathematics viewed by 241 persons

What is X times 2? Is it 2x or 2x^2?

Any push or pull acting on an object is called

Asked by wiki @ in Chemistry viewed by 193 persons

5. Any push or pull acting on an object is called a ? A.action B.reaction C.force D.Net

What event was the spark that ignited world war i

Asked by wiki @ in History viewed by 222 persons

What event was the spark that ignited world war i? the assassination of archduke ferdinand the assassination of tsar nicholas ii the rise of mutual defense alliances the capitulation of …

Which function represents exponential decay

Asked by wiki @ in Mathematics viewed by 161 persons

Which function represents exponential decay? f(x) =1/2 (3/2)^x   f(x) =1/2 (-3/2)^x   f(x) =4 (-2/3)^x f(x) = 4 (2/3)^x

Which of the following classifications of star temperature is hottest

Asked by wiki @ in Physics viewed by 233 persons

Which of the following classifications of star temperature is hottest? K O B M

What structures allow t cells to locate and destroy invaders

Asked by wiki @ in Chemistry viewed by 119 persons

What structures allow T cells to locate and destroy invaders? O A. Macrophages O B. Pathogens O C. Lymph O D. Antibodies

How much weight can the surface tension of water hold

Asked by wiki @ in Physics viewed by 373 persons

The surface tension of water was determined in a laboratory by using the drop weight method. 100 drops were released from a burette the inner diameter of whose opening is …

What is the significance of the stele of hammurabi

Asked by wiki @ in English viewed by 88 persons

What is the significance of the Stele of Hammurabi? The stele contains Hammurabi’s laws The stele was built during Neo-Babylonian The stele is approximately seven feet high The stele was …

Graphing a line given its equation in slope intercept form

Asked by wiki @ in Mathematics viewed by 229 persons

Explain how to graph the line from an equation in slope intercept form

7 4 as a mixed number

Asked by wiki @ in Mathematics viewed by 177 persons

What is 7/4 as a mixed number

Which is not a free open source operating system software

Asked by wiki @ in Computers and Technology viewed by 246 persons

The operating system discussed in this unit that is Free Open Source Software is the _____ operating system. Mac Linux Windows

What times what equals 14

Asked by wiki @ in Mathematics viewed by 187 persons

What times what equals 14

Complete the following sentences using the words in the box

Asked by wiki @ in Spanish viewed by 288 persons

Complete the following sentences using the correct present tense form of the verb given in parentheses. It may help to review the Social Networking tutorial. Type the correct answer in …

Which of the following is most likely to be aquatic

Asked by wiki @ in Biology viewed by 210 persons

Eutrophication of an aquatic ecosystem would most likely have which of the following effects? a. a decrease in dissolved oxygenb. an increase in biodiversityc. a decrease in numbers …

How do you say what do you want in spanish

Asked by wiki @ in Spanish viewed by 185 persons

How to say ,, what do you want to say;; in spanish

Bones provide both structure and protection for the body

Asked by wiki @ in Biology viewed by 235 persons

Bones provide both structure and protection for the body. a. True b. False

Why did the us senate reject the treaty of versailles

Asked by wiki @ in History viewed by 155 persons

The main reason the US Senate rejected the Treaty of Versailles was because A isolationists felt the US should not have gotten into the war. B Republicans had gained power …

What sections of dna are used in dna fingerprinting apex

Asked by wiki @ in Biology viewed by 233 persons

What sections of dna are used in dna fingerprinting apex?

Which type of government did the constitution of 1791 establish

Asked by wiki @ in History viewed by 216 persons

PLEASE CHECK ANSWERS 2. Which type of government did the Constitution of 1791 establish? a) a limited monarchy b) an absolute monarchy c) a totalitarian system **** d) a republic …

Malala yousafzai address to the united nations commonlit answer key

Asked by wiki @ in English viewed by 518 persons

Which statement best expresses the central idea of the speech for MALALA YOUSAFZAI'S ADDRESS TO THE UNITED NATIONS, JULY 2013. A Taliban terrorists are using violence to spread fear and …

Latin root meaning light

Asked by wiki @ in English viewed by 203 persons

Which is the latin root meaning light A. loc, loq B. luc, lum C. nov D. sol

Find the derivative of the function y cot2 sin ?

Asked by wiki @ in Mathematics viewed by 111 persons

Find the derivative of the function.. y = cot2(sin θ).

12 45 in spanish

Asked by wiki @ in Spanish viewed by 144 persons

What are two ways you can say it is 12:45 in the afternoon in spanish

Which colony was founded 100 years after the maryland colony

Asked by wiki @ in Social Studies viewed by 187 persons

Which colony was founded 100 years after Maryland Colony

Rosa parks contributed to which of these civil rights actions

Asked by wiki @ in History viewed by 210 persons

Rosa Parks contributed to which of these Civil Rights actions? the Freedom Summer the March on Washington the Montgomery Bus Boycott the Selma to Montgomery March

Ap macro topic 1.3 comparative advantage and trade worksheet answers

Asked by wiki @ in Business viewed by 313 persons

AP Macro Topic 1.3 Comparative Advantage and Trade Part 1 - Mastering Skills- Answer the following questions to verify that you fully understand opportunity cost, absolute advantage, comparative advantage, and …

What accomplishment are you most proud of and why answers

Asked by wiki @ in Business viewed by 189 persons

What is your proudest accomplishment and why

Which of the following is not true concerning cover crops

Asked by wiki @ in Biology viewed by 251 persons

Which of the following is not true concerning cover crops?

What are the odds of shuffling a deck into order

Asked by wiki @ in Mathematics viewed by 151 persons

A standard deck of 52 playing cards consists of four suits (hearts, spades, diamonds and clubs). Spades and clubs are black while hearts and diamonds are red. Each suit contains …

When you graph the motion of an object you put

Asked by wiki @ in Physics viewed by 205 persons

3. When you graph the motion of an object, you put ____ on the horizontal axis and ____ on the axis.   a.  speed, time   b.  distance, time   c.  time, speed …

Most viewed questions in Mathematics


Gina wilson all things algebra 2015 answer key unit 11

Asked by wiki @ in Mathematics viewed by 5638 persons


Unit 11 volume and surface area homework 3 answer key

Asked by wiki @ in Mathematics viewed by 4881 persons


3.2 puzzle time what is roz savage famous for answers

Asked by wiki @ in Mathematics viewed by 3878 persons



What did captain hook say in the bakery worksheet answers

Asked by wiki @ in Mathematics viewed by 3705 persons


An artist sells a painting for 20.50 but uses 5.75

Asked by wiki @ in Mathematics viewed by 3395 persons


Gina wilson all things algebra 2016 answer key unit 11

Asked by wiki @ in Mathematics viewed by 3099 persons



Unit 4 congruent triangles homework 1 classifying triangles gina wilson

Asked by wiki @ in Mathematics viewed by 2948 persons


Geometry unit 11 volume and surface area quiz 11 1

Asked by wiki @ in Mathematics viewed by 2920 persons


Why did the picture go to jail puzzle time answers

Asked by wiki @ in Mathematics viewed by 2903 persons



Unit 1 test study guide geometry basics answer key

Asked by wiki @ in Mathematics viewed by 2746 persons


Cryptic quiz what is the opposite of a professional eater

Asked by wiki @ in Mathematics viewed by 2601 persons


The price of salmon at a fish market is 5.40

Asked by wiki @ in Mathematics viewed by 2561 persons



Algebra 1 8.2 worksheet characteristics of quadratic functions answer key

Asked by wiki @ in Mathematics viewed by 2219 persons


Trigonometry maze answer key

Asked by wiki @ in Mathematics viewed by 1997 persons


Gina wilson all things algebra 2015 unit 11 answer key

Asked by wiki @ in Mathematics viewed by 1847 persons