Review - Unit 3 Radical Functions

Front

What is the value of -4x^0?

Back

1

Front

What transformation occurs when a graph is reflected over the x-axis?

Back

The y-values of the function are negated.

Front

What is a vertical stretch by a factor of 5?

Back

The y-values of the function are multiplied by 5.

Front

What is NOT a recommended step when using technology to solve radical equations?

Back

Assume all solutions found are correct without verification.

Front

What is an extraneous solution in the context of radical equations?

Back

A solution that appears during the solving process but doesn't satisfy the original equation.

Front

What does it mean to check solutions by substituting them back into the original equation?

Back

It verifies if the found solutions are valid by plugging them back into the equation.

Front

What is the general form of a radical function?

Back

f(x) = √(g(x)) where g(x) is a polynomial.

Front

How do you graph a radical function?

Back

Identify key points, consider transformations, and plot the curve.

Front

What is the domain of the function f(x) = √(x - 3)?

Back

x must be greater than or equal to 3.

Front

What is the range of the function f(x) = √(x)?

Back

All real numbers y such that y ≥ 0.