Proportionality Mathematics can help you get the hang of Proportionality (mathematics) with quick and painless video and text lessons. Review vocabulary with flashcards or skim through our library of thousands of common homework questions and answers. You can even take a practice quiz or exam to measure your progress.

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Proportionality Mathematics Video Lessons (13 video lessons)

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Proportionality Mathematics Questions and Answers (400 questions and answers)

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Lucy earns $11.25 per hour at her job. How many hours will she have to work to earn $512.00?
Five medium pizzas cost $22.00. How much does it cost to buy 16 medium pizzas?
If 8 parts take 20 minutes to make, how many minutes does it take to make 6 parts?
y varies directly with x. y = 3 when x = 2. Find y when x = 3.
The rational equation has one solution. What is the solution? \frac{3c}{8} = \frac{c + 4}{4}
Solve by making a proportion. If I paid $9.00 for 4 lb of candies, how much candies can I buy for $12.00?
y varies jointly as x and z. y = 54 when x = 2 and z = 3. Find y when x = 3 and z = 4.
y varies directly as x and inversely as the square of z. y = 24 when x = 108 and z = 6. Find y when x = 3 and z = 6.
The equation y = 0.25x describes a proportional relationship between x and y. What is the constant of proportionality?
If y varies directly as x, and y = 15 when x = -5, find y when x = 7.

Proportionality Mathematics Quizzes (17 quizzes)

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Graphs & the Constant of Proportionality
Non-Proportional Linear Relationships
Inverse Variation
Quantity Value Graphs With Constant Ratios
Proportional Relationships, Lines & Linear Equations
Graphing Proportional Relationships
Proportional Relationships in Equations
Constant of Proportionality
Proportion Practice Problems
Solving Equations of Direct Variation

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