What does i2 equal? 1 -1 i Don’t know.

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Presentation transcript:

What does i2 equal? 1 -1 i Don’t know

z and w are equal when z=3+4i and w=6+8i True False Don’t know

If z=a+ib then what is b known as? Real part of z Constant part of z Imaginary part of z None of these

If z=4+7i, find Re(z), Im(z) and |z|. 1. 1 2 3 4 5 2. 3. 4. Don’t know 5.

If z=-3+4i and w=2-6i, find 2z+w.

If z=-3+4i and w=2-6i, find zw. None of these

If z=6+2i and w=-2+4i, find . 1. 1 2 3 4 2. 3. None of the above 4.

If z=-3+4i and w=2-6i, find |z-w|. 1. 1 2 3 4 2. 3. 4.

If z=-3+2i, find . 13 5 13-12i 5+12i

Find the roots of the equation . 1. 1 2 3 4 2. 3. 4.

Which of the following graphs represents z=3-2i? 1. 3. 1 2 3 4 2. 4.

If z=a+ib in Cartesian form, what does z equal in polar form? 1. 1 2 3 4 2. 3. 4.

Find the polar coordinate form of z=4+2i. 1 2 3 4 1. 2. 3. 4.

Which of the following are true if and 1. 1 2 3 4 2. Both of the above 3. Neither of the above 4.

Find a complex number expression in Cartesian form for .

Which of the following are correct? 1. 1 2 3 4 2. 3. 4.

Which of the following is known as De Moivre’s theorem if p is a rational number? 1. 1 2 3 4 2. 3. 4.

Find all the values of 271/3. 1. 1 2 3 4 2. 3. 4.