Chapter 5 Review.

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Presentation transcript:

Chapter 5 Review

Tell whether the table represents a direct proportion Tell whether the table represents a direct proportion. If so identify the constant of proportionality and write a direct proportion equation

Tell whether the graph represents a direct proportion Tell whether the graph represents a direct proportion. If so identify the constant of proportionality and write a direct proportion equation

Tell whether the graph represents a direct proportion Tell whether the graph represents a direct proportion. If so identify the constant of proportionality and write a direct proportion equation

Tell whether the equation represents a direct proportion Tell whether the equation represents a direct proportion. If so identify the constant of proportionality. 𝑦=2.25𝑥

x is inversely proportional to y, and x=9 when y=4. Find the constant of proportionality and write a direct proportion equation relating x and y. x is inversely proportional to y, and x=9 when y=4.

Solve using: Method #1 (Use a proportion) Method #2 (Write an equation) p is directly proportional to m, and p=128 when m=8. Find p when m=10 Find m when p=80

Find the cost per meter of ribbon Write an equation relating c and r Solve using: Method #1 (Use a proportion) Method #2 (Write an equation) The cost of a piece of ribbon, c, is directly proportional to the length of the ribbon, r. The cost of 8 meters of ribbon is $5.60. Find the cost per meter of ribbon Write an equation relating c and r Find the cost of a ribbon that is 9 meters long