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Math
Algebra 2
Imaginary Numbers and Quadratic Functions
Imaginary and Complex Numbers
Simplifying Complex Expressions
Complex Conjugates

Practice problem

Complex Conjugates

By AAhaan Rungta

+3 contributors

Contributors

Ahaan Rungta
Ben Ferrara
Moor Xu
Alex Federspiel

What is the complex conjugate of $20 - 15i$ ?

Choose one answer

Option A: A

$20+15i$

Option B: B

$15+20i$

Option C: C

$15-20i$

Option D: D

$25$

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