Read the paragraph below and draw a graph to show parabola
According to the details in the paragraph and translated in Thai
Language
The Gladesville Bridge in Sydney, Australia was the longest single
span concrete arched bridge in the world when it was constructed
in 1964. The shape of the arch is almost parabolic, as you can see
in this image with a superimposed graph of y = −x2
(The negative
means the legs of the parabola face downwards.)