Algebra 1 - Real-world Quadratic Functions

This post explains and gives practice opportunities related to TEKS A.8B:

write, using technology, quadratic functions that provide a reasonable fit to data to estimate solutions and make predictions for real-world problems

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Instruction

Students use a graphing calculator to calculate quadratic regression, which finds the parabola of best fit for a set of data.

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STAAR Practice

Between 2016 and 2024, 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.