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4 questions
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  • Q1
    Which describes the end behavior and zeros of the polynomial function $f(x) = x^3 - 3x^2 - 4x + 12$?
    As $x \rightarrow \infty$, $f(x) \rightarrow \infty$; as $x \rightarrow -\infty$, $f(x) \rightarrow -\infty$; zeros at $x = -1, 2, 3$
    As $x \rightarrow \infty$, $f(x) \rightarrow \infty$; as $x \rightarrow -\infty$, $f(x) \rightarrow \infty$; zeros at $x = -1, 1, 4$
    As $x \rightarrow \infty$, $f(x) \rightarrow -\infty$; as $x \rightarrow -\infty$, $f(x) \rightarrow \infty$; zeros at $x = -2, 1, 3$
    As $x \rightarrow \infty$, $f(x) \rightarrow -\infty$; as $x \rightarrow -\infty$, $f(x) \rightarrow -\infty$; zeros at $x = -1, 2, 3$
    30s
    HSF.IF.C.7.C
  • Q2
    What are the zeros and end behavior of the polynomial function $f(x) = 2x^4 - 8x^2$?
    Zeros at $x = 0, 1, -1$; As $x \rightarrow \infty$, $f(x) \rightarrow -\infty$; as $x \rightarrow -\infty$, $f(x) \rightarrow \infty$
    Zeros at $x = 1, -1, 3, -3$; As $x \rightarrow \infty$, $f(x) \rightarrow -\infty$; as $x \rightarrow -\infty$, $f(x) \rightarrow -\infty$
    Zeros at $x = 0, 2, -2$; As $x \rightarrow \infty$, $f(x) \rightarrow \infty$; as $x \rightarrow -\infty$, $f(x) \rightarrow \infty$
    Zeros at $x = 2, -2$; As $x \rightarrow \infty$, $f(x) \rightarrow \infty$; as $x \rightarrow -\infty$, $f(x) \rightarrow -\infty$
    30s
    HSF.IF.C.7.C
  • Q3
    If the polynomial function $f(x) = 2x^3 - 5x^2 - x + 2$ is factored completely, which of the following could be a zero?
    -1/2
    0
    -2
    1
    30s
    HSF.IF.C.7.C
  • Q4
    Given the polynomial function $f(x) = 3x^5 - 9x^3 + 6x$, identify the number of real zeros.
    3
    4
    2
    5
    30s
    HSF.IF.C.7.C

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