Form 15: Comprehensive Proportionality Mastery
Review and demonstrate mastery across key concepts of proportional relationships. Test your ability to analyze tables, equations, graphs, and real-world word problems.
Questions
-
MultiChoice
What defines two quantities as being in a proportional relationship?
-
MultiChoice
If y = kx, how do you find k given a point (x, y)?
-
MultiChoice
Does the table (x: 2, 5, 8; y: 7, 17.5, 28) represent a proportional relationship?
-
MultiChoice
What is the constant of proportionality for the points (3, 15) and (7, 35)?
-
MultiChoice
Is the relationship between side length of an equilateral triangle and its perimeter proportional?
-
MultiChoice
Which graph point identifies the unit rate of a proportional graph?
-
MultiChoice
If 3 pounds of apples cost $4.50, how much do 7 pounds cost in a proportional relationship?
-
MultiChoice
Is a relationship proportional if its graph is a straight line NOT passing through (0,0)?
-
MultiChoice
Which equation is proportional with k = 0.4?
-
MultiChoice
If y is proportional to x and k = 2/5, find x when y = 10.
-
MultiChoice
A car travels at constant speed. In 0.5 hours it goes 30 miles. What is k (mph)?
-
MultiChoice
Can the constant of proportionality k be negative in Grade 7 proportional relationships?