Quick Reference ~ A maths Dictionary for Kids by Jenny Eather Email jeather@iprimus.com.au A Maths Dictionary for Kids by Jenny Eather at www.amathsdictionaryforkids.com


Ii

imaginary numbers

• numbers that produce negative real numbers when squared.
• imaginary numbers are useful for finding the
square roots of real negative numbers.
• the imaginary unit is the square root of -1.
i = √-1, xi2 = -1

EXAMPLES:
imaginary numbers


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