Imaginary Numbers and Operations (1/10 DLD)

What is the value of i¹¹?

• √-1

• -1

• -i

• 1

What is the value of i¹⁷?

• √-1

• -1

• 1

• -i

When you square an imaginary number, it stays imaginary.

• True
• False

-6 + (-8 - 3i) + 5

• 7 + 3i

• -9 - 3i

• 19 + 3i

• -11 - 3i

(5 - 7i) + (-5 + 2i)

• 11 - 9i

• -5 + 2i

• -5i

• =10 + 9i

(8 + 5i) - (3 + i)

• 5 + 4i

• 11 - i

• -11 + 4i

• 4 + 4i

(4 - 6i)(3 - 6i)

• 48 - 6i

• -24 - 42i

• 24 - 42i

• -48 + 6i

Multiply -12i by its conjugate.

• 144

• -144i

• 24i

• -24

Identify the complex number of the dot on the graph. Assume every unit is 1 unit.

• -4 - 3i

• 4 - 3i

• 4 + 3i

• -3 + 4i

Assuming that every block is 1 unit, identify the complex number of the dot on the graph.

• 1 - 5i

• -1 - 5i

• -1 + 5i

• 1 + 5i