M1T3 Formative 2 Practice

Which is a characteristic of all cubic functions?

• They are always increasing

• They have exactly 2 relative extrema

• They are symmetric about the origin

• They have at least 1 x-intercept

Which characteristics are correct for the graph?

• a < 0

  3 distinct real zeros

  1 zero with multiplicity 2

• a > 0

  3 distinct real zeros

  1 zero with multiplicity 2

• a > 0

  3 distinct real zeros

  no zeros with multiplicity 2

• a < 0

  3 distinct real zeros

  no zeros with multiplicity 2

Which characteristics are correct for the graph?

• a < 0

  3 distinct real zeros

  1 zero with multiplicity 2

• a > 0

  3 distinct real zeros

  1 zero with multiplicity 2

• a > 0

  3 distinct real zeros

  no zeros with multiplicity 2

• a < 0

  3 distinct real zeros

  no zeros with multiplicity 2

Which characteristics are correct for the graph?

• a < 0

  1 distinct real zeros

  1 zero with multiplicity 2

• a > 0

  1 distinct real zeros

  1 zero with multiplicity 2

• a > 0

  1 distinct real zeros

  no zeros with multiplicity 2

• a < 0

  1 distinct real zeros

  no zeros with multiplicity 2

Which characteristics are correct for the graph?

• a < 0

  1 distinct real zeros

  1 zero with multiplicity 2

• a > 0

  1 distinct real zeros

  1 zero with multiplicity 2

• a > 0

  1 distinct real zeros

  no zeros with multiplicity 2

• a < 0

  1 distinct real zeros

  no zeros with multiplicity 2

Which functions could you multiply to get a function that the graph represents?

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Which functions could you multiply to get a function that the graph represents?

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Which functions could you multiply to get a function that the graph represents?

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Which functions could you multiply to get a function that the graph represents?

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The function c(x) models the number of cookies sold each day by a bakery during a 10-day period. Between which days did the number of cookies sold by the bakery decrease?

• Between days 0 and 1

• Between days 6 and 7

• Between days 3 and 4

• Between days 8 and 9