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Algebra 1 - Writing Exponential Functions

Updated: Feb 15

This post explains and give practice opportunities related to TEKS A.9C:

write exponential functions in the form f(x) = abx (where b is a rational number) to describe problems arising from mathematical and real-world situations, including growth and decay


Students learn to how to write exponential functions when given x- and y-coordinates on a table.

Students also learn how to write exponential functions when given information in a word problem.

Finally, students learn to write exponential functions when simply given a graph of the function.

Here are some activities you can use to teach this standard.


STAAR Practice

Between 2016 and 2023 (including redesign practice), this readiness standard has been tested 16 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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