MATH 1050-003: Quiz 5
There are problems on both sides of each sheet.
February 26, 2008
Name:
u I.D.:
This is a closed book and closed note quiz. No calculators are allowed. Please
write neatly in pencil and circle your final solution.
1
1. Use long division to divide
(6x3 + 10x2 + x + 8) ÷ (2x2 + 1)
Write your final answer in the form
f (x)
r(x)
= q(x) +
d(x)
d(x)
2
2. Perform the operation and write the result in standard form. Note: standard form is
a + bi
(6 − 2i)(2 − 3i)
3. Write the quotient in standard form
2
4 − 5i
3
4. Find all the zeros of the function, using any methods we have learned so far, and write
the polynomial as a product of linear factors. (That is, all factors must be of the form
(x − c), which means some roots may be complex).
x3 − 6x2 + 13x − 10
4