Square Roots and Imaginary Numbers

Presentation

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Mathematics

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7th - 12th Grade

•

Hard

Joseph Anderson

FREE Resource

6 Slides • 4 Questions

Imaginary Numbers

The Square roots of negative numbers

Simplifying negative square roots

Also called complex numbers

Multiple Choice

122

74+154i

122+154i

Multiple Choice

If $\left(2+4i\right)\left(5+ki\right)=50$ , then what is the value of $k$ ?

-10

-5

Multiple Choice

Simplify the following expression:

\sqrt{-3}+\sqrt{-9}+\sqrt{-16}

$2i\sqrt{7}$

$i\sqrt{3}-i$

$i\sqrt{3}+7i$

Multiple Choice

$\frac{3}{8}-\frac{5i}{2}$

$\frac{3}{8}+\frac{5i}{2}$

$\frac{7}{34\ }-\frac{23i}{34}$

$\frac{7}{34}+\frac{23i}{34}$

Imaginary Numbers

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