Review for Sections 3.2 and 3.3:
1. [3 pts] Use synthetic division to divide x5 – x4 – 3x3 – 4x2 +
2x – 51 by x – 3. (Show algebraic work.)
2. [4 pts] Solve the equation x3 – 11x2 + 38x – 40 = 0 given that 4
is a zero of f (x) = x3 – 11x2 + 38x – 40. (Show algebraic
work.)
3. [5 pts] Answer parts a. – c. below for the given polynomial
function: f (x) = 4(x – 2)5(x – 3)2(x + 5)
a. What are the zeros of this polynomial function?
b. Give the multiplicity of each zero.
c. State whether the graph crosses the x-axis, or touches the
x-axis and turns around, at each zero.
4. [6 points] Answer parts a. – c. below for the following
graph.
a. Find the zeros and state whether the multiplicity of each zero
is even or odd.
b. Using the zeros and multiplicity values found in part a., write
an equation, expressed as the product of factors, of the graphed
polynomial function. (Make the degree of f as small as
possible.)
c. Using your equation in part b., find the y-intercept of the
graph. (Show algebraic work.)
5. Answer parts a. – f. below for the given polynomial function: f
(x) = x3 – x2 – 9x + 9
[2 pts] a. Using the leading coefficient test, determine the graphs
end behavior.
[3 pts] b. Find the x-intercepts. (Show algebraic work.)
[2 pts] c. For each of the x-intercepts found in part b., state
whether the graph crosses the x-axis, or touches the x-axis and
turns around at this intercept.
[1 pt] d. Find the y-intercept.
[1 pt] e. Determine the maximum number of turning points.
[3 pts] f. Using the information found in parts a. – e., graph the
polynomial function.
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Review for Sections 3.2 and 3.3: 1. [3 pts] Use synthetic division to divide x5 –...
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