Precal Final Exam Review

How many possible rational roots does r(x) = 6x^3 - 10x^2 + 18x - 30 have?

• 1

• 3

• 18

• 36

Write the equation of the polynomial function whose zeros are -1, 2 - 3i, and 7i.

x+2 is a factor of which polynomial?

• 24; 45°

• 24√2; 45°

• -24; -225°

• 24√2; 225°

• 16π miles

Convert the rectangular coordinates (-1, -√3) to polar coordinates where r > 0 and 0 ≤ θ ≤ 2π.

• (1, 11π/6)

• (4, π)

• (1, 7π/4)

• (2, 4π/3)