Question

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.

Answer 1

The correct answer is Choice B: It's graph is symmetrical about the y-axis.

A quadratic equation is in the shape of the letter U. Therefore, you could draw a vertical line and the shape would be split into two congruent parts. Therefore, it is symmetrical. The y-axis is a vertical line.