Q

#### Pre-calculus 14 - Complex numbers 1.

(12 Questions)These questions cover imaginary and complex numbers.

0

1

The product of two complex numbers is always a real number.

**A**

**B**

0

1

What is the product of 4i(3+4i)

**A**

**B**

**C**

**D**

0

1

(3+7i)(5-5i)=(50+20i)

**A**

**B**

0

1

What must be multiplied by 2+3i to yield -5+12i?

**A**

**B**

**C**

**D**

0

1

What is the product of (3+2i)(4-5i)

**A**

**B**

**C**

**D**

0

1

Perform the operation(s) and write the result in standard form. (3+2i)+(4 - i)-(7+i)

**A**

**B**

**C**

**D**

0

1

What is the difference between the two complex numbers (9-4i), (7-6i)?

**A**

**B**

**C**

**D**

0

1

What is the sum of the (1+2i)+(4-5i)

**A**

**B**

**C**

**D**

0

1

The standard form of the complex number a+bi. what is the imaginary number?

**A**

**B**

**C**

**D**

0

1

What is the standard form of the complex number \sqrt{-16}+9

**A**

**B**

**C**

**D**

0

1

A number of the form a+bi where a and b are non-zero real numbers is known as __________ number.

0

1

Which of the following is equivalent to i^6?

**A**

**B**

**C**

**D**

by Krishna