Bellwork EOY Review 1

Front

What is a function?

Back

A function is a relation between a set of inputs and a set of possible outputs where each input is related to exactly one output.

Front

How can you determine if a graph represents y as a function of x?

Back

A graph represents y as a function of x if any vertical line drawn through the graph intersects it at most once.

Front

What is a scatterplot?

Back

A scatterplot is a graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional axis.

Front

How do you make predictions using a scatterplot?

Back

To make predictions, identify the trend in the scatterplot and use it to estimate values for unmeasured data points.

Front

What does it mean to order numbers from greatest to least?

Back

Ordering numbers from greatest to least means arranging them in descending order, starting with the largest number.

Front

How do you calculate the volume of a sphere?

Back

Front

What is the diameter of a sphere?

Back

The diameter of a sphere is the distance across the sphere through its center, equal to twice the radius.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you solve for a variable in a proportion?

Back

To solve for a variable in a proportion, cross-multiply and then isolate the variable.

Front

What is the significance of the constant pi (π) in geometry?

Back

Pi (π) is a mathematical constant that represents the ratio of a circle's circumference to its diameter, approximately equal to 3.14.