Question

The below picture are few natural examples of parabolic shape which is represented by a quadratic polynomial. A parabolic arch is an arch in the shape of a parabola. In structures, their curve represents an efficient method of load, and so can be found in bridges and in architecture in a variety of forms.

The graph of x² + 1 = 0

विकल्प

• Intersects x‐axis at two distinct points.

• Touches x‐axis at a point.

• Neither touches nor intersects the x‐axis.

• Either touches or intersects the x-axis.

Answer 1

Neither touches nor intersects the x‐axis.