Cubic and polynomial graphs

Cubic and polynomial graphs Quiz

IB MYP Maths Extended: Quiz

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  1. 1. The graph of y=(x−1)(x+4)(x−2)y=(x-1)(x+4)(x-2) crosses the xx-axis at which values?

    • A. 1,−4,21,-4,2
    • B. −1,4,−2-1,4,-2
    • C. 1,4,21,4,2
    • D. −1,−4,2-1,-4,2

  2. 2. What is the yy-intercept of y=(x−1)(x+4)(x−2)y=(x-1)(x+4)(x-2)?

    • A. −8-8
    • B. 22
    • C. 88
    • D. 00

  3. 3. The cubic y=−x3+2xy=-x^3+2x has end behaviour:

    • A. bottom left to top right
    • B. both ends up
    • C. top left to bottom right
    • D. both ends down

  4. 4. What is the largest number of turning points a cubic graph can have?

    • A. 1
    • B. 2
    • C. 3
    • D. 4

  5. 5. How can technology solve x3−4x=2x^3-4x=2?

    • A. Graph y=x3−4xy=x^3-4x and y=2y=2 and find the intersections
    • B. Find the maximum point
    • C. Find the yy-intercept
    • D. Take the cube root of both sides

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