Pre-Algebra Summative A

Front

What is the relationship between the values of x and y if as the value of x increases by 2, the value of y increases by 4?

Back

This indicates a positive linear relationship between x and y, where y increases as x increases.

Front

Back

8 and 9.

Front

If a road originally measured 51 miles and is lengthened by 1 mile each day, what is the formula for the length after d days?

Back

L = 51 + d.

Front

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

Back

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

Front

What is the mean of a set of numbers?

Back

The mean is calculated by adding all the numbers together and dividing by the count of numbers.

Front

What is the formula to find the length of a segment connecting two points (x1, y1) and (x2, y2)?

Back

Front

What is the median of the following set of numbers: 8, 13, 9, 13, 15, 4, 13?

Back

The median is 13.

Front

What is the mean of the following set of numbers: 8, 13, 9, 13, 15, 4, 13?

Back

The mean is approximately 10.7.

Front

If the value of y decreases by 4 as x increases by 2, what type of relationship does this indicate?

Back

This indicates a negative linear relationship between x and y.

Front

What does it mean for two numbers to be consecutive whole numbers?

Back

Consecutive whole numbers are numbers that follow each other in order without any gaps, such as 3 and 4.