Proportionality Mathematics

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Proportionality Mathematics Video Lessons (13 video lessons)

Watch simple explanations of Proportionality Mathematics and related concepts.

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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