# Graphs of Linear Equations

## Graph lines presented in ax+by = c form

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Graph a Line in Standard Form

This lesson covers graphing the equation of a line in standard form.
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## Equations of Lines from Graphs

This concept explores finding the equation of a line from its graph.
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• Video

## Algebra: Slope and Y-intercept intuition

Shows how the slope and intercept of a line affect how the line appears graphically.
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## Algebra: Slope 2

An explanation of slope and how to find it, by Khan Academy.
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