Alg. 1: Direct Variation

5 Questions  I  By Boycekelsey on November 20, 2010
Algebra 1, Direct Variation quiz.If x=a and y=b find y/x if x/y=cWord ProblemsWrite EquationsFormula: y=kx

  

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1.  Write an equation for the direct variation. Do not solve.If y = 20 when x = 4, find y when x = 9Hint: y=kx
2.  y is directly proportional to x. If y = 16 when x = 4, write the formula for the relation between y and x.Hint: y=kx
3.  Write an equation for the direct variation. Do not solve.If x=3 when y=4, find y when x=24Hint: y=kx
4.  The amount of money raised at a charity fundraiser is directly proportional to the number of attendees.  The amount of money raised for five attendees was $100.  How much money will  be raised for 60 attendees?Hint: $x,xxx
5.  If y = 15 when x = 2, y = 10 when x = 8.
A.
B.
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