Algebra 1 - Writing Quadratic Equations

This post explains and give practice opportunities related to TEKS A.6B:

write equations of quadratic functions given the vertex and another point on the graph, write the equation in vertex form (f(x) = a(x - h)2 + k), and rewrite the equation from vertex form to standard form (f(x) = ax2 + bx + c)

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Instruction

Students write quadratic equations in the standard form and the vertex form, moving from one form to the other or starting with the vertex and a point.

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STAAR Practice

Between 2016 and 2023 (including redesign practice), this supporting standard has been tested 5 times on the STAAR test. Videos explaining the problems can be found below. If you'd rather take a quiz over these questions, click here. The videos below are linked to the questions in the quiz as answer explanations after the quiz is submitted.

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To view all the posts in this Algebra 1 TEKS review series, click here.