Unit 3 Review

Front

The initial value is another way to describe the ______________.

Back

y-intercept

Front

What is the initial value of a linear function if it represents a proportional relationship?

Back

0

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

True

Front

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

Back

-2

Front

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

Back

2

Front

What is the definition of slope in a linear function?

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 a slope of 0 indicate about a line?

Back

A slope of 0 indicates that the line is horizontal and there is no change in y as x changes.

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other is constant.

Front

How do you find the y-intercept of a linear equation?

Back

The y-intercept can be found by setting x to 0 in the equation and solving for y.

Front

What does it mean if a function is linear?

Back

A linear function is a function that graphs to a straight line and can be expressed in the form y = mx + b.