Non-Proportional Relationships

Front

What is a non-proportional relationship?

Back

A non-proportional relationship is a relationship between two quantities where the ratio of one quantity to another is not constant.

Front

If Kim pays a $250 fee to join the Art Guild and $30 for each art show, how much does she pay for 5 art shows?

Back

$400

Front

What is the y-intercept?

Back

The y-intercept is the point at which a line crosses the y-axis.

Front

What is the y-intercept of the equation y = 2x - 16?

Back

-16

Front

If Rob paid $1,000 for a cruise and $50 for each activity, what is the total cost for 3 activities?

Back

$1,150

Front

What is the slope of the equation y = -7x + 3?

Back

-7

Front

How do you find the total cost in a non-proportional relationship?

Back

Add the fixed cost to the product of the variable cost and the number of items.

Front

What does a negative slope indicate in a graph?

Back

A negative slope indicates that as one variable increases, the other variable decreases.

Front

What is the formula for calculating the total cost in a non-proportional relationship?

Back

Total Cost = Fixed Cost + (Variable Cost per Item × Number of Items)

Front

If the fixed cost is $200 and the variable cost is $25 per item, what is the total cost for 4 items?

Back

$200 + (25 × 4) = $300