Tags Algebra Trigonometry

Animals & Plants Arts & Entertainment Auto Beauty & Health Books and Literature Business Electronics Engineering & Technology Food & Drink History Hobbies Jobs & Education Law & Government Math People & Society Science Social Studies Sports Travel & Places

0

Subjects>Math>Math & Arithmetic

What is the answer for -8i-7i?

Updated: 12/8/2022

Wiki User

∙ 13y ago

Best Answer

Numbers of the form a + ib (where i = -11/2; a and b are real numbers) are called complex numbers.

For any two complex numbers (a+ib) and (c+id):

Addition:

(a+ib) + (c+id) = (a+c) + i(b+d)

So, -8i-7i = (-8-7)i = -15i

Wiki User

∙ 13y ago

Still curious? Ask our experts.

Chat with our AI personalities

Rafa

There's no fun in playing it safe. Why not try something a little unhinged?

Chat with Rafa

Professor

I will give you the most educated answer.

Chat with Professor

Lao

The path is yours to walk; I am only here to hold up a mirror.

Chat with Lao

Add your answer:

Earn +20 pts

Q: What is the answer for -8i-7i?

Write your answer...

Submit

Still have questions?

imp

Continue Learning about Math & Arithmetic

Related questions

Trending Questions

How many degrees are in each interior angle of a regular pentagon? Are pentagons equilateral with sides that have a degrees of 108? What is the greatest common divisor of 198 and 36? What divides into 97? What are so speciall about venn diagrams? What is 9 over twenty in percentage? Why is it important to carry out a large number of observations in experiments? How many pounds of shredded beef will it take to make 200 sandwiches? What do you call a shape that has five only five sides can you please tell me the answer? How do you write 5.009 in word form? Round 0.677656 to three decimal places? What is MCMXXXV in roman numerals? What makes you alive? What is 3878 over 10000 in simplest form? What is the lowest common denominator of 17 and 21? What are neoruns? How do you make 98 cents? What is 4.7 into a mixed number or fraction? What is a question for integers? How many locks of hair did Delilah have cut from Samson's head to render him powerless?

Previously Viewed

What is the answer for -8i-7i?

Unanswered Questions

What are the important lessons we teach in Digital marketing? How do you ensure the quality and accuracy of vectorized or digitized designs for your clients? How important is decentralization in the future of Web3? How Does Hyvä Theme and PWA Studio Integration Enhance Magento 2 Frontend Development and Performance? Do Dental Implants Change Face Shape? Why Is Leisure Time Sodium Bromide Essential for Hot Tubs & Spas? What is Penetrant Testing (PT) and how does it work? What industries commonly use Penetrant Testing?

Resources

Top Categories

Product

Company

Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.