Which statement about the quadratic parent function is true?
A) Its graph is symmetrical about the x-axis.
B) Its graph is symmetrical about the y-axis.
C) Its domain is the set of all non-negative numbers.
D) Its range is the set of all real numbers.

The correct answer is B) its graph is symmetrical about the y-axis.

A quadratic graph cannot be "folded" across the x-axis.
The domain, or set of inputs, is all real numbers; there is no value of x for which there will be no y.
The range, or set of outputs, is not all real numbers; there are values of y that will not be used in the graph.

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Which statement about the quadratic parent function is true? A) Its graph is symmetrical about the x-axis. B) Its graph is symmetrical about the y-axis. C) Its domain is the set of all non-negative numbers. D) Its range is the set of all real numbers.

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Which statement about the quadratic parent function is true?
A) Its graph is symmetrical about the x-axis.
B) Its graph is symmetrical about the y-axis.
C) Its domain is the set of all non-negative numbers.
D) Its range is the set of all real numbers.