Correlation to Michigan 8th Grade Math GLCEs
Section 19 Variation
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Suggested lessons: Direct Variation, Inverse Variation
A.RP.08.01 Identify and represent linear functions, quadratic functions, and other simple functions including inversely
proportional relationships (y = k/x); cubics (y = ax3); roots (y = √x ); and exponentials (y = ax , a > 0); using tables, graphs,
A.PA.08.02 For basic functions, e.g., simple quadratics, direct and indirect variation, and population growth, describe
how changes in one variable affect the others.