Access Point #: MAFS.912.A-SSE.2.AP.3cArchived Access Point

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Given a quadratic expression, explain the meaning of the zeros graphically (e.g., for an expression (x - a) (x - c), a and c correspond to the x-intercepts (if a and c are real).
Clarifications:

Essential Understandings

Concrete:

  • Use a tool to determine whether the quadratic function crosses the x-axis. Click Here
  • Use a graphing tool or graphing software to find the roots (where the function intersects the x-axis) of a function.
  • Match the quadratic equation with its corresponding graph.
  • Match the graph of a quadratic equation with its roots (zeros).
Representation:
  • Understand the following concepts and vocabulary: root, factor, quadratic, integer, real number, quadratic equation, quadratic formula, square root, solution, terms, coefficient, intercept, intersect, zero.
  • Understand that a quadratic function that intersects the x-axis has real roots (zeros).

    Two graphs showing that a quadratic function that intersects the x-axis has real roots (zeros)
  • Teacher tool: Click Here
General Information
Number: MAFS.912.A-SSE.2.AP.3c
Category: Access Points
Date Adopted or Revised: 07/14
Cluster: Write expressions in equivalent forms to solve problems. (Algebra 1 - Supporting Cluster) (Algebra 2 - Major Cluster) : 

Clusters should not be sorted from Major to Supporting and then taught in that order. To do so would strip the coherence of the mathematical ideas and miss the opportunity to enhance the major work of the grade with the supporting clusters.

Related Standards

This access point is an alternate version of the following benchmark(s).

Related Courses

This access point is part of these courses.
1200310: Algebra 1
1200320: Algebra 1 Honors
1200330: Algebra 2
1200340: Algebra 2 Honors
1200380: Algebra 1-B
1200400: Foundational Skills in Mathematics 9-12
1207310: Liberal Arts Mathematics
1200410: Mathematics for College Success
1200700: Mathematics for College Algebra
7912060: Access Informal Geometry
7912070: Access Mathematics for Liberal Arts
7912080: Access Algebra 1A
7912090: Access Algebra 1B
1200315: Algebra 1 for Credit Recovery
1200335: Algebra 2 for Credit Recovery
1200385: Algebra 1-B for Credit Recovery
7912065: Access Geometry
7912075: Access Algebra 1
7912095: Access Algebra 2
1200387: Mathematics for Data and Financial Literacy

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