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Interpreting and building linear functions · PSAT · Courselo

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PSAT
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Algebra

Interpreting and building linear functions

Algebra · Lesson 2 of 5

Lesson 2 of 5

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Unit 5

Algebra

5 lessons · 7 h 15 min of study

Solving linear equations in one variable1 h 30 min of study
Interpreting and building linear functionsReading · 0%
Solving systems of linear equations1 h 30 min of study
Solving linear inequalities and modeling constraints1 h 30 min of study
Using Desmos and numeric entry strategically1 h of study

This unit is ≈18% of the PSAT, across 5 lessons. Full syllabus

Lesson 2 of 5 · Algebra

Interpreting and building linear functions

3 quick checks≈5% of the testCore: Core: tested on most papers

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By the end you’ll be able to

Interpret the rate of change and initial value of a linear function from an equation, graph, table, or context.
Write a linear equation or function rule from given information such as two points, a graph, a table, or a verbal description.
Convert among representations of a linear relationship, including verbal descriptions, tables, graphs, and equations.

Practice this skill

Adaptive questions on interpreting and building linear functions.

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0% read

Calculate slope from coordinates, tables, graphs, or contextual change, and interpret its meaning using appropriate units.

Determine whether a relationship is linear by checking for a constant rate of change or by analyzing its representation.

Compare two linear relationships represented in different forms and evaluate which has the greater rate of change or initial value.

Interpret key features of a graph of a linear function, including intercepts and increasing, decreasing, or constant behavior.

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