Mth 112 Chapter 2 Practice Test Problems Worksheet With Answers Page 2
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12Use the vertex and intercepts to sketch the graph of the
28) f(x) = x 2 - 6x + 8
quadratic function.
25) y + 1 = (x + 2) 2
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Determine whether the given quadratic function has a
26) f(x) = (x - 2) 2 - 4
minimum value or maximum value. Then find the
coordinates of the minimum or maximum point.
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29) f(x) = x 2 + 2x - 7
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30) f(x) = -4x 2 + 12x
Use the Leading Coefficient Test to determine the end
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behavior of the polynomial function.
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31) f(x) = -2x 4 - 5x 3 + 5x 2 + 5x + 5
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32) f(x) = x 3 - 3x 2 - 4x + 4
27) f(x) = x 2 + 6x + 5
33) f(x) = (x - 2)(x + 1)(x + 2) 2
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34) f(x) = -5(x 2 + 1)(x + 2) 2
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Find the zeros of the polynomial function.
35) f(x) = x 3 + x 2 - 20x
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36) f(x) = x 3 + 8x 2 - x - 8
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37) f(x) = x 3 + 4x 2 + 4x
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38) f(x) = x 3 + 2x 2 - 9x - 18
39) f(x) = 2(x - 3)(x + 7) 4
Find the zeros for the polynomial function and give the
multiplicity for each zero. State whether the graph crosses
the x-axis or touches the x-axis and turns around, at each
zero.
40) f(x) = 4(x - 3)(x - 2) 2
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