Complex Numbers AHSA Session 2

What is the conjugate of -2+5i?

• -5+2i

• -2-5i

• 2+5i

• 5-2i

Simplify: (4+2i)/(3-i)

• 1-i

• 1+i

• 10+10i

• 1+10i

What complex number is represented by the graph?

• -3-i

• -3+i

• 1+3i

• 1-3i

Simplify: (5-2i)(-7+8i)

• -19+54i

• 12+6i

• 35-16i²

• -35-16i

Simplify: 3i + 2i

• 5i

• 5i²

• 6i

• -5

The distance between z=4-3i and w=-2-4i on the complex plane is...

• √35

• 
  √35 i

• 
  √37

• 
  5i

Simplify: (10+ 15i)-(48 - 30i)

• 58 - 45i

• 58 - 15i

• -38 - 15i

• -38 + 45i

Simplify: 3i (4 + 7i)

• -4 + 10i

• 21 + 12i

• 4 - 10i

• 12i - 21

Simplify: (4 - 7i) - (-3 + 6i)

• 7 - 13i

• 7 - i

• 1 - 13i

• 1 - i

Find the modulus of 3 + 7i

• √58

• √-40

• -√58

• 40i