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Algebra 1 - Real-world Quadratic Functions

Updated: Aug 24, 2023

This post explains and give 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


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


STAAR Practice

Between 2016 and 2023, 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.


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

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