Recap: Variation
Part of the Polynomials & Rational Expressions section of Coddy's Algebra 2 journey. Lesson 49 of 54.
Challenge
y varies directly with x, and y is 18 when x is 3. Find y when x is 8. On the blank board, find k first, then y.
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All lessons in Polynomials & Rational Expressions
1Polynomial Long Division
How Long Division WorksOne Term at a TimeA Remainder Left OverA Missing TermDividing by a QuadraticRecap: Long Division7Adding and Subtracting
Same BottomDifferent BottomsSubtractingFactor the Bottoms FirstRecap: Adding Fractions2Remainders and Factors
The Remainder TheoremThe Factor TheoremFinding a Missing NumberUsing a Known FactorRecap: Remainders and Factors5Sign Charts
Between the RootsOutside the RootsA Negative Leading TermReading a Sign ChartRecap: Sign Charts