Using the quadratic formula to solve 2x^2 = 4x – 7, what are the values of x?

For this case we have the following quadratic equation:

Rewriting the equation we have:

From here, we have:

Substituting values in the quadratic equation we have:

Rewriting the equation we have:

The values of x are given by:

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.