Midterm Review Part 2

Front

What is the best buy for king-size candy bars based on price comparison?

Back

The best buy is the store with the lowest price for king-size candy bars.

Front

If y = 2x^3 - 2, what is the value of y when x = 2?

Back

y = 14 when x = 2.

Front

What percent of teens in the U.S. own a smartphone based on the data provided?

Back

About 58% of teens own a smartphone.

Front

What does a scatterplot show in relation to study hours and test scores?

Back

A scatterplot shows the relationship between the number of hours studied and the scores achieved on a test.

Front

How do you calculate the average speed of a trip?

Back

Average speed = Total distance / Total time.

Front

What is the formula for calculating the volume of a rectangular prism?

Back

Volume = length × width × height.

Front

What is the significance of the slope in a linear equation?

Back

The slope indicates the rate of change between the two variables.

Front

What is a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value.

Front

How do you find the median of a set of numbers?

Back

To find the median, arrange the numbers in order and select the middle value.

Front

What is the difference between mean and median?

Back

Mean is the average of a set of numbers, while median is the middle value when arranged in order.