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Algebraic Functions

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.
  • PLIX
    Vertical Line Test

    Vertical Line Test

    by CK-12 //basic

    According to the vertical line rule, a graph is a function if a vertical line drawn anywhere along a graph intersects the graph only once at most. Drag the red line to see which graph is a function.

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