Unit 3 Review

Front

In the equation, y=-2x+8, what is the slope?

Back

-2

Front

The initial value is another way to describe the ______________.

Back

y-intercept

Front

Which statement best describes the graph? The number of customers at a new restaurant is high during the opening week, decreases, stabilizes for several weeks, and then increases gradually.

Back

This statement describes a non-linear trend in customer behavior.

Front

The table represents a linear function. What is the slope of the line?

Back

2

Front

Is the relation a function?

Back

No

Front

What is the definition of slope in a linear equation?

Back

The slope is the measure of the steepness of a line, calculated as the change in y over the change in x.

Front

What does the y-intercept represent in a linear equation?

Back

The y-intercept is the point where the line crosses the y-axis, representing the value of y when x is 0.

Front

How can you determine if a relation is a function?

Back

A relation is a function if each input (x-value) has exactly one output (y-value).

Front

What is a linear function?

Back

A linear function is a function that graphs to a straight line, described by the equation y = mx + b.

Front

What does it mean for a function to be non-linear?

Back

A non-linear function does not graph to a straight line and can have curves or bends.