Question

If the lengths of pw and pq are given, can the length of QW be determined? justify your answer.​

Answer 1

See below

Explanation:

If the points P, Q, W are located on the number line, then:

• If P is located between points Q and W then QW = PQ + PW
• If Q is located between points P and W then QW = PW - PQ
• If W is located between points P and Q then QW = PQ - PW