Unit 6 Review

Front

What does a scatterplot show?

Back

A scatterplot shows the relationship between two variables, indicating how one variable may change in relation to another.

Front

What is the conclusion drawn from a scatterplot showing an increasing trend?

Back

As one variable increases, the other variable also increases.

Front

How do you calculate the total cost based on the number of nights spent in a hotel?

Back

Total Cost = Cost per Night x Number of Nights.

Front

What is the equation to find the number of visits needed to fulfill a community service requirement?

Back

Total Hours = Hours Earned + (Hours per Visit x Number of Visits).

Front

If Lisa needs to earn 75 hours of community service and has already earned 27 hours, how many more hours does she need?

Back

She needs 75 - 27 = 48 more hours.

Front

What is the formula to convert inches to centimeters?

Back

y = 2.54x, where y is the number of centimeters and x is the number of inches.

Front

What does the equation y = 2x + 1 represent?

Back

It represents a linear relationship where y increases by 2 for every increase of 1 in x, with a y-intercept of 1.

Front

How do you interpret a trend line in a scatterplot?

Back

A trend line indicates the general direction of the data points, showing the relationship between the two variables.

Front

What is the significance of the y-intercept in a linear equation?

Back

The y-intercept is the value of y when x is 0, indicating where the line crosses the y-axis.

Front

What does it mean if there are no hot dogs left over after a cook-out?

Back

It indicates that the number of hot dogs prepared was sufficient for the number of attendees.