Learning Resource Type

Classroom Resource

Find Imaginary Solutions Practice

Subject Area

Mathematics

Grade(s)

9, 10, 11, 12

Overview

This self-checking online assessment has 10 questions that will help students analyze polynomial functions to find possible zeroes. There are hints available on the screen, and there is an online scratchpad that students can use to work the problems.

    Mathematics (2019) Grade(s): 09-12 - Precalculus

    MA19.PRE.6

    Analyze possible zeros for a polynomial function over the complex numbers by applying the Fundamental Theorem of Algebra, using a graph of the function, or factoring with algebraic identities.

    Unpacked Content

    UP:MA19.PRE.6

    Vocabulary

    • Zeros
    • Fundamental Theorem of Algebra
    • Quadratic Polynomial

    Knowledge

    Students know:
    • The definition of the degree of a polynomial.
    • The difference between real and complex roots.

    Skills

    Students are able to:
    • Find roots of a polynomial algebraically and/or graphically.
    • Rewrite an imaginary number as a complex number.

    Understanding

    Students understand that:
    • The degree of a polynomial determines the number of roots, some which may be real, complex, or used more than once.
    • Only real roots will be x-intercepts on a graph.
    Link to Resource

    CR Resource Type

    Informational Material

    Resource Provider

    CK-12
    Accessibility
    License

    License Type

    Custom
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