GED Math Flashcard

Front

What is the median in a set of numbers?

Back

The median is the middle value in a list of numbers sorted in ascending order. If there is an even number of observations, the median is the average of the two middle numbers.

Front

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

Back

To calculate the average, sum all the numbers in the set and then divide by the count of numbers.

Front

What are coordinates in a graph?

Back

Coordinates are a set of values that show an exact position on a graph, typically represented as (x, y).

Front

What is the value of a roll of quarters?

Back

A roll of quarters has a value of $10.

Front

What is the value of a roll of dimes?

Back

A roll of dimes has a value of $5.

Front

How do you find the surface area of a cylinder?

Back

The surface area of a cylinder can be calculated using the formula: Surface Area = 2πr(h + r), where r is the radius and h is the height.

Front

What is the formula for the area of a circle?

Back

The area of a circle is calculated using the formula: Area = πr², where r is the radius.

Front

What is the difference between mean, median, and mode?

Back

Mean is the average of a set of numbers, median is the middle value, and mode is the most frequently occurring value in the set.

Front

How do you solve a system of equations?

Back

A system of equations can be solved using methods such as substitution, elimination, or graphing.

Front

What is a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed, typically in the form y = mx + b, where m is the slope and b is the y-intercept.