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PRETEST (GRAPHS OF POLYNOMIAL FUNCTIONS)

Quiz by Erma Agnes F. Nuñez

Grade 10
Mathematics
Philippines Curriculum: Grades K-10 (MELC)

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10 questions
Show answers
  • Q1

    Which of the following could be the value of n in f(x) = xn  if f(x) is a polynomial function?

    \sqrt{-8}

    \frac{1}{2}

    -7

    0

    45s
    M10AL-IIa-1
  • Q2

    Which of the following is not a polynomial function?

    𝑓(𝑥) = −𝑥3 + \sqrt{7}x

    𝑓(𝑥) = \pi

    𝑓(𝑥) = −\frac{1}{2}x^3  − 𝑥 + 1

    f\left(x\right)=-x^{\frac{1}{4}}-2x^5

    45s
    M10AL-IIa-1
  • Q3
    30s
    M10AL-IIa-1
  • Q4
    30s
    M10AL-IIa-1
  • Q5

    Which of the following are the x-intercepts in the given graph (Figure 1)?

    Question Image

    x=-2,\ 1

    x=2,\ -1

    x=2,\ 1

    x=-2,\ -1

    30s
    M10AL-IIa-1
  • Q6

    In Figure 1, which of the following is the yintercept?

    Question Image

    -2

    2

    0

    1

    30s
    M10AL-IIa-1
  • Q7

    Which of the following could be the graph of 𝑔(𝑥) = −𝑥3 + 2𝑥2 + 1?

    Answer Image
    Answer Image
    Answer Image
    Answer Image
    60s
    M10AL-IIa-1
  • Q8

    Using leading coefficient test, what could be the behavior of the graph of 𝑓(𝑥) = −𝑥4 + 8𝑥2 − 12𝑥?

    Falling on both left and right end of the graph.

    Rising on both left and right end of the graph.

    Rising on the left and falling on the right end of the graph.

    Falling on the left and rising on the right end of the graph.

    60s
    M10AL-IIa-1
  • Q9

    The demographer in Marikina predicts that the population, P, will increase t years from now in Barangay San Roque which can be modeled by the function 𝑃(𝑥) = 9𝑡4 + 530𝑡2 + 15,800. What will be the population two (2) years from now?

    20,692

    18,064

    21,647

    20,764

    120s
    M10AL-IIa-1
  • Q10

    A sales manager of a shoe factory determines that its profit, P, in thousands of pesos, can be modeled by the function 𝑃(𝑥) = 0.4𝑥3 +𝑥2 − 7, where x represents the number of pair of shoes sold. What is the profit when there are 120 pairs of shoes sold?

    ₱ 750,333.00

    ₱ 705,593.00

    ₱ 425,625.00

    ₱ 691,200.00

    120s
    M10AL-IIa-1

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