NY Next Generation Math AII-F.IF.7.c
The Standard
Graph polynomial functions, identifying zeros when suitable factorizations are available, and showing end behavior.
New York State Next Generation Mathematics Learning Standards · Analyze functions using different representations.
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students graph polynomial functions in Algebra II, identify zeros when useful factorizations are available, and show end behavior. They connect factors, multiplicity, and leading terms with graph features.
What Mastery Looks Like
- The student plots intercepts, uses degree and leading coefficient to predict both ends, and sketches a consistent curve. Repeated zeros are represented with appropriate crossing or touching behavior.
Common Misconceptions
- Students may assume every zero crosses the axis, reverse end behavior, or infer zeros from an unavailable factorization. They may draw more turns than the degree permits.
How to Assess It
- Ask students to graph f(x) equals negative (x plus 2) squared times (x minus 1), labeling zeros, multiplicities, and end behavior.
Lesson moves
Ways to Teach It
Use factor and leading-term cards to place zeros and end arrows before sketching a polynomial graph.
Ask students how multiplicity changes graph behavior at an x-intercept.
Play graph match with factored polynomials, zero tables, end-behavior descriptions, and sketches.
Graph a factored polynomial model for profit or volume and interpret meaningful zeros.
Keep exploring
Related Standards
- AII-F.IF.7.e
Graph cube root, exponential and logarithmic functions, showing intercepts and end behavior; and trigonometric functions, showing period, midline, and amplitude...
- AII-A.APR.3
Identify zeros of polynomial functions when suitable factorizations are available.
- AI-F.IF.7.b
Graph square root, and piecewise-defined functions, including step functions and absolute value functions and show key features.
- AI-F.IF.8.a
For a quadratic function, use an algebraic process to find zeros, maxima, minima, and symmetry of the graph, and interpret these in terms of context.
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