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Quadratic Equations – Converting Forms Worksheet

Students convert quadratic functions among standard, vertex and intercept forms, then sketch each graph. A completed chart supports checking all three representations.
Grades
High School
Pages
4
File type
PDF
Answer key
Included

Updated Sep 16, 2022

Subject
Math, Algebra
Topic
Quadratic forms, Vertex form
Resource types
Worksheets
Answer key
Included
Standards
HSF-IF.C.8

Product description

From the author

This is a Quadratic Equations Worksheet that will give students practice with converting forms.

There are 6 problems - 3 per page.

Students will explore standard form, vertex form, intercept form and graphing.

In the classroom

Teaching tips & learning objectives

Learning objectives

  • Convert a quadratic function from standard form to vertex form.

  • Convert a quadratic function from standard form to intercept (factored) form.

  • Graph a quadratic function represented in any of the three forms.

Teaching tips

  • Point out which form is already given in each row before students start, since the required conversion path changes function to function.

  • Review completing the square before assigning rows that start in standard form, since that is the typical route to vertex form.

  • Use the completed answer chart to spot-check factoring or expansion errors before students move to the graphing column.

Skills covered

  • Standard-to-vertex conversion — students complete the square to rewrite standard-form functions such as f(x) = 2x² + 4x − 6 in vertex form.

  • Standard-to-intercept conversion — students factor standard-form functions to find their intercept (factored) form.

  • Graphing from multiple representations — students sketch each function's graph after determining all three algebraic forms.

Good to know

Questions teachers ask about this resource

Does every function start from the same form?

No — the given form rotates row by row: some functions start in standard form, others in vertex form or intercept form, so students practice conversions in every direction rather than one repeated pattern.

Are negative or fractional leading coefficients included?

Yes — several functions use negative or fractional coefficients, for example f(x) = -2/3x² - 4/3x + 16/3, so the practice goes beyond simple integer quadratics.

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Curriculum

Standards, concepts & topics

Standards

  • HSF-IF.C.8

Core concepts

  • Standard form

  • Vertex form

  • Intercept form

  • Quadratic functions

  • Completing the square

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