Module 12 Test Review

Front

What is a function rule?

Back

A function rule is a mathematical expression that describes the relationship between two variables, typically written in the form y = f(x).

Front

How do you represent a linear relationship in a function rule?

Back

A linear relationship can be represented as y = mx + b, where m is the slope and b is the y-intercept.

Front

What does the slope of a line represent?

Back

The slope represents the rate of change of the dependent variable (y) with respect to the independent variable (x).

Front

If a lake's water level increases by 6 cm per year, what is the function rule for this relationship?

Back

l = 6y, where l is the lake's water level and y is the number of years.

Front

How do you calculate the total increase in water level after a certain number of years?

Back

Multiply the rate of increase (6 cm/year) by the number of years.

Front

What is the coordinate system?

Back

The coordinate system is a two-dimensional plane defined by a horizontal axis (x-axis) and a vertical axis (y-axis).

Front

What are coordinates?

Back

Coordinates are ordered pairs (x, y) that define a point's position in the coordinate system.

Front

How do you identify the coordinates of a point on a graph?

Back

The first number in the pair represents the horizontal position (x), and the second number represents the vertical position (y).

Front

What is the purpose of a function table?

Back

A function table lists input values (x) and their corresponding output values (y) based on a function rule.

Front

How do you write a function rule from a table of values?

Back

Look for a pattern in the input-output pairs and express it in the form y = f(x).