Which of the following describes the graph of a quadratic equation with one real zero?
A) It has 2 x-intercepts.
B) It does not cross the x-axis.
C) Its vertex lies on the x-axis.
D) Its vertex lies on the y-axis.

Question

Which of the following describes the graph of a quadratic equation with one real zero?
A) It has 2 x-intercepts.
B) It does not cross the x-axis.
C) Its vertex lies on the x-axis.
D) Its vertex lies on the y-axis.

anonymous · Answer

the quadratic equation tells us where the graph has zeros, or to be specific where the graph intersects with the x-axis

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on this picture is your case

anonymous · Answer

if it has one real zero, that means it intersects with x-axis in only one point

anonymous · Answer

OK