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Questions and Answers
What is the equation of a square root function?
Which equation represents a negative square root function?
What is the equation that involves a negative inside the square root?
Which of the following equations does not represent a real number output for all x?
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Study Notes
Graphing Square Root Functions

y = âˆšx
 Represents the principal square root function.
 Graph starts at the origin (0,0) and extends to the right in a curve.
 Only for nonnegative values of x (x â‰¥ 0).

y = âˆšx
 Represents the negative square root function.
 Graph starts at the origin (0,0) and extends downward to the right.
 Only applicable for nonnegative values of x (x â‰¥ 0), producing a reflection of y = âˆšx across the xaxis.

y = âˆšx
 Represents a transformation of the square root function with negative input.
 Graph starts at the xaxis moving leftward (for x â‰¤ 0).
 Reflects the negative square root function across the yaxis.

y = âˆšx
 Represents the positive square root function with negative input.
 Graph starts moving leftward from the origin (0,0), applicable for nonpositive values of x (x â‰¤ 0).
 Produces a reflection of y = âˆšx across the yaxis.
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Description
Explore square root functions with these flashcards designed to help you understand various forms of the equation. Each card presents a different graphing scenario, showcasing square root functions and their transformations. Ideal for students looking to reinforce their knowledge in algebra and graphing.