Unit 4 Retest

Front

What are the coordinates of the maximum of the function?

Back

The coordinates of the maximum are (-2, 5).

Front

What is the smallest value of the function m(x) = -3x + 5?

Back

The smallest value occurs at m(2), which is -1.

Front

Identify the interval on which the function is decreasing.

Back

The function is decreasing on the interval (-2, 2).

Front

What is the y-intercept of a function?

Back

The y-intercept is the point where the graph intersects the y-axis, which is (0, 4) in this case.

Front

What does the x-axis represent in a distance-time graph?

Back

The x-axis represents time.

Front

What does the y-axis represent in a distance-time graph?

Back

The y-axis represents distance from home.

Front

Describe the motion of Justin in the graph provided.

Back

Justin walked to the park, stopped to watch birds, and then ran home.

Front

How do you find the maximum point of a quadratic function?

Back

The maximum point can be found using the vertex formula or by completing the square.

Front

What is the significance of the y-intercept in a linear function?

Back

The y-intercept indicates the value of the function when the input (x) is zero.

Front

How do you determine if a function is increasing or decreasing?

Back

A function is increasing if the output values rise as the input values increase, and decreasing if the output values fall.