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Proportional vs. non proportional relationships

Quiz by Rochelle

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20 questions
Show answers
  • Q1
    Which equation represents a proportional relationship?
    y = 3x + 2
    y = \frac{3}{x}
    y = 3x
    y = x^2
    30s
  • Q2
    How can you identify a non-proportional relationship from a graph?
    The graph goes through the origin.
    The graph has a positive slope.
    The graph is a curve rather than a straight line.
    The graph is a straight line.
    30s
  • Q3
    Which of the following best describes a proportional relationship?
    The ratio between two variables is constant.
    The ratio between two variables changes.
    An increase in one variable results in a decrease in another.
    The variables have no relation to each other.
    30s
  • Q4
    Which scenario below describes a proportional relationship?
    A car travels 60 miles per hour but sometimes stops for breaks.
    A student receives a fixed allowance regardless of chores completed.
    The amount of money in a bank account increases by different amounts each month.
    The cost of apples is $2 per apple, and the total cost varies with the number of apples bought.
    30s
  • Q5
    In a table showing two variables, how can you tell if the relationship is proportional?
    The ratio between the corresponding values of the variables is the same.
    The sum of the corresponding values is constant.
    The product of the corresponding values is constant.
    The difference between the corresponding values is the same.
    30s
  • Q6
    Which of the following graphs represents a non-proportional relationship?
    A graph with a constant slope passing through the origin.
    A horizontal line on the graph.
    A graph that is a line not passing through the origin.
    A graph that is a straight line through the origin.
    30s
  • Q7
    What distinguishes a proportional relationship in a real-world context?
    The ratio between two quantities remains constant.
    One quantity increases while the other decreases.
    There is a linear equation with a y-intercept.
    The sum of two quantities is always the same.
    30s
  • Q8
    Which of the following equations represents a non-proportional relationship?
    y = 1.5x
    y = 5x
    y = 4x
    y = 2x + 3
    30s
  • Q9
    If a relationship between two variables is non-proportional, what does this mean?
    The variables increase at the same rate.
    One variable is always double the other.
    The ratio between the two variables is not constant.
    The variables have an inverse relationship.
    30s
  • Q10
    Which table of values demonstrates a proportional relationship?
    x: 1, 2, 3; y: 2, 4, 6
    x: 1, 2, 3; y: 3, 5, 7
    x: 1, 2, 3; y: 3, 6, 10
    x: 1, 2, 3; y: 0, 2, 4
    30s
  • Q11
    In a table that shows a proportional relationship, what can be observed about the ratios of corresponding values?
    The ratios always equal zero.
    The ratios vary randomly.
    The ratios form a straight line when plotted.
    The ratios are constant.
    30s
  • Q12
    Which of the following graphs best represents a non-proportional relationship between two variables?
    A curved line that passes through the origin.
    A straight line that passes through the origin.
    A steep downward-sloping line.
    A horizontal line.
    30s
  • Q13
    If a relationship between the number of hours worked and the amount of money earned is proportional, which of these statements is true?
    There is no consistent pattern in money earned per hour.
    The amount of money earned per hour is constant.
    The total money earned decreases as hours increase.
    You earn more money per hour as you work more hours.
    30s
  • Q14
    Which equation represents a proportional relationship between x and y?
    y = 3x + 2
    y = 3x
    y = x^2 + 3
    y = 2 - x
    30s
  • Q15
    Which description matches a non-proportional relationship on a graph between two quantities?
    The graph is a set of disconnected points.
    The graph is a straight line that does not pass through the origin.
    The graph is a straight line passing through the origin.
    The graph is a horizontal line.
    30s

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