Practice SOL Review

Multiply: 
(4 – 3i)(7 + 2i)

• A.  22 - 13i
• B.  28 - 19i
• C.  34 - 13i
• D.  -34 - 29i

Simplify: 
(7 + 2i)(9 - 6i)

• 75-24i
• 63 - 24i  - 12i²
• 51 - 24i
• 58 + 60i

x³ - 27

• (x - 4)(x² + 4x + 16)
• (x + 3)(x² - 4x + 16)
• (x - 1)(x² + 1x + 1)
• (x - 3)(x² + 3x + 9)

• 9

• -9

• 7

• -7

• 3

• 2

• -3

• -2

Write the polynomial in standard form given the following zeros. x = -2, 1, 4

• f(x) = (x+2)(x-1)(x-4)

• f(x) =x³ - 3x² - 6x + 8

• f(x) = x³ + 8

• f(x) = x³ - 3x² + 8

Solve

8x³+125=0

• x=-5/2, x=(-5±5i√3)/4

• x=-5/2, x=(5±5i√3)/4

• x=-2/5, x=(-5±5i√3)/4

• x=-2/5, x=(5±5i√3)/4

Find the sum 
24+48+72+...+480

• 5280
• 9576
• 10080
• 5040

Solve for x.

• -1
• 2
• 6
• No solution

• A
• B
• C
• D