Tags Math and Arithmetic Algebra

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 absolute value of 7 plus 9i?

Anonymous

∙ 9y ago

Updated: 10/24/2022

I see that you already got a specific answer. More in general, you can calculate the absolute value of a complex number using the Pythagorean theorem. You can also use the "rectangular to polar" conversion, available on just about any scientific calculator - which will give you both the absolute value, and the angle. However, using this function is a bit confusing, and you'll probably have to check the calculator manual.

Wiki User

∙ 9y ago

Still curious? Ask our experts.

Chat with our AI personalities

Lao

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

Chat with Lao

Coach

Success isn't just about winning—it's about vision, patience, and playing the long game.

Chat with Coach

Professor

I will give you the most educated answer.

Chat with Professor

More answers

The absolute value of a complex number z = x + iy is sqrt(x^2 + y^2).In this case, x = 7 and y = 9 so that |z| = sqrt(7^2 + 9^2) = sqrt(49 + 81) =sqrt(130) = 11.4018, approx.

Wiki User

∙ 9y ago

|7 + 9i| = √(7² + 9²) = √130 ≈ 11.402

Wiki User

∙ 9y ago

Add your answer:

Earn +20 pts

Q: What is the absolute value of 7 plus 9i?

Write your answer...

Submit

Still have questions?

imp

Continue Learning about Math & Arithmetic

What is the absolute value of negative 2 plus negative 5?

Absolute value of -2+(-5) is 7.

Is -7 equal to plus 7 in integers?

no if its absolute value of -7 and +7 then its equal

Absolute value of x plus 7?

The absolute value of any number is the "distance from zero". If the expression is negative, it is converted to positive. The absolute value of x+7 can be either x+7 (if x+7 is positive) or -(x+7) (if x+7 is negative).

Is the absolute value of the opposite of 7 the same as the opposite of the absolute value 7?

No. The absolute value of the opposite of 7 is 7, but the opposite of the absolute value of seven is -7.

How does the absolute value of -7 compare to the absolute value of 7?

They are the same. the absolute value is always positive

Trending Questions

Which US coin equals 5 cents? What is 1.5 percent of 13000? What is a 4 digit number that is divisible by 2 3 4 5 6 9 and 10? What same numbers can go in to 144 and 36? Can one always add two numbers that have the same dimension? What is 10.261 divided by 31? How do you factor x the power of 4 - x? How many times a years does any location on the earth have exactly 12 h of daylight in a day? What goes into 65? How to find a square side if 560m of wire is required for fencing? Can a circle be depicted as a solid or broken line? What is Radical like terms? What does something 3cm width x 1.7 cm look like? When the numerator is greater than a denominator? How do you write seven and nine thousandsths? What is an 'n' sided shape - or polygon - called? 21000 feet is how far in miles? Why the geographical area is divided into hexagonal shape? How do you calculate likelihood? What is the value of 3 in 2.300?

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.