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Algebra 1 - Equations for Perpendicular Lines

Updated: Aug 26, 2023

This post explains and give practice opportunities related to TEKS A.2F:

write the equation of a line that contains a given point and is perpendicular to a given line;


Lines that are perpendicular have opposite reciprocal slopes. Students learn to graph a perpendicular line given a point and the equation for the other line.


STAAR Practice

Between 2016 and 2023, this supporting standard has been tested 2 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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