3 years ago

Which figure shows a reflection of pre-image QRS over the line t? (Picture has answers.)

Mathematics

2 answers:

Vika [28.1K]3 years ago

7 0

A, because its reflecting off of the y axis

Ugo [173]3 years ago

6 0

A it reflecting off the y axis

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4 years ago

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liraira [26]

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ExtremeBDS [4]

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Step-by-step explanation:

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2 years ago

Given z1 = -3

trasher [3.6K]

Answer:

See explanation

Step-by-step explanation:

The given complex number are:

$z_1=-3\sqrt{3}+3i$

and

$z_2=6\cos 150\degree+6i\sin 150\degree$

When we rewrite $z_1=-3\sqrt{3}+3i$ in complex form, we obtain;

$z_1=r(\cos \theta+i\sin \theta)$

where

$r=\sqrt{(-3\sqrt{3})^2+3^2 }=\sqrt{36}=6$

and

$\theta=tan^{-1}(\frac{y}{x})$

$\implies \theta=tan^{-1}(\frac{-3\sqrt{3}}{3})=150\degree$

Hence,

$z_1=6(\cos 150\degree+i\sin 150\degree)$

$z_1=6\cos 150\degree+6i\sin 150\degree$

Hence

$z_1=z_2$

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3 years ago