Unit 1 Quick Review

Simplify:  √28

• 7√2
• 2√7
• 4√7
• 2√14

(2i)(3i)

• 5i
• -5
• 6i
• -6

Solve the above complex number in the form of a+bi

What is the simplified form of the above?

• 7/10 + 11/10 i

• 13/10 +1/10 i

• 5/4 - 3/2i

• 7/10 - 11/10 i

Factor
x² -16x + 48

• (x - 12)(x - 4)
• (x + 6)(x - 8)
• (x + 12)(x - 4)
• (x -16)(x - 3)

Factor
4n²-17n-15

• (n-10)(6n+1)
• (4n-5)(n-3)
• (n-5)(4n-3)
• (n-5)(4n+3)