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# Algebra 1 - Writing Linear Equations in Various Forms

Updated: Aug 26

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

write linear equations in two variables in various forms, including y = mx + b, Ax + By = C, and y - y1 = m (x - x1), given one point and the slope and given two points;

## Instruction

Students learn two new formulas for linear functions, the point-slope form and the standard form. Using what they learned in 8th grade math about how to find the slope and how to write a linear function in slope-intercept form, students now explore how to write linear functions in the two new forms given just one point and the slope.

If given two points, students learn how to find the slope and then use the point-slope form to write an equation.

## STAAR Practice

Between 2016 and 2023 (including redesign practice), this supporting standard has been tested 6 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.