A1-U5.1b Lesson Check: Identifying Absolute Value Functions

Front

What is the definition of absolute value of a number?

Back

The distance the number is from zero.

Front

Back

(-2, -4)

Front

Choose the correct equation for the graph: The graph opens upwards and has a vertex at (2, -5).

Back

Front

What does the graph of an absolute value function look like?

Back

It forms a V shape.

Front

What is the effect of adding a constant outside the absolute value function?

Back

It shifts the graph vertically.

Front

What is the effect of adding a constant inside the absolute value function?

Back

It shifts the graph horizontally.

Front

What is the equation of the absolute value function with a vertex at (0, 0)?

Back

Front

What is the equation of the absolute value function that opens downwards?

Back

Front

How do you find the x-intercepts of an absolute value function?

Back

Set the function equal to zero and solve for x.

Front

What is the domain of an absolute value function?

Back

All real numbers, or (-∞, ∞).