Quizizz 3.2_Complex Number

Simplify: 
(10+ 15i) - (48 - 30i)

• 58 - 45i
• 58 - 15i
• -38 - 15i
• -38 + 45i

Find the sum.
(5-2i) + (-7+8i)

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

Evaluate the following expression:
(10+ 15i) - (48 - 30i)=​ (a)  

• -38+45i
• -38-15i
• -38+15i

• 10
• -10
• 10i
• -10i

What does i² equal?

• -1

• √-1

• 1

• -√1

(4 - 2i) - (3 + 6i)

• 7 - 4i

• 1 + 4i

• 1 - 8i

• 7 - 8i

Classify the following numbers.

• Imaginary Number

• Complex Number

• Irrational Number

• Rational Number

Match the following

• -7

• 6i

• 10i

• 10

• 12i

• 4

• 4i

Label the

REAL part __

and the

IMAGINARY part __

of the complex number.

b

a

REAL part

IMAGINARY part