Question

Which number best represents a helicopter ascending 112 ft? A. −112 B. +112 C. 112+ D. 112−

Answer 1

If ground be x axis and helicopter is at y distance then the point should be (x,112)

As we know that

• In Q1 and Q2 ,y>0
• in Q3 and Q4,y<0

So

The distance should be written as

• +112ft

Answer 2

B +112

Explanation: