HPC Section 2.4 Pt 1

Precalculus Section 2.4 Pt 1

Complex Numbers

Multiple Choice

Simplify: $$\sqrt[]{-49}-5$$  

• 5+7i

• -5 + 7i

• 5 - 7i

• 7 - 5i

Fill in the Blanks

(3 - i) + (2 + 3i)

Multiple Choice

(1 + 2i) - (4 + 2i)

• 5

• -3

• -3 + 4i

• 5 + 4i

Multiple Choice

3 – (–2 + 3i ) + (–5 + i )

• -4 + 4i

• 4i

• -2i

• 10 - 4i

Multiple Choice

(3 + 2i ) + (4 – i ) – (7 + i )

• 14 + 4i

• 2i

• -2i

• 0

Fill in the Blanks

Simplify:

5(-2 + 3i)

Fill in the Blanks

Simplify:

(2 - i)(4 + 3i)

Fill in the Blanks

Simplify:

(3 + 2i)(3 - 2i)

Fill in the Blanks

Simplify:

$\left(3+2i\right)^2$  

​Homework

​Page 133 - 134

​# 11 - 41 odd.