Mathematics
Easy

Question

A car skidded m ft during a race. The expression s =  is the rate of speed of the car in ft/s. Find the rate of the speed of the car, if the car skidded 196 ft.

Hint:

The expression of speed is s = √(5m) ft/s. We have to fins the speed when the car skidded 196m.We have, s = √(5m)=> s = √(5 × 196)=> s = 14√5 ft/s.Hence, the correct option is B.

A radical expression is an expression containing a square root.