Question

If the distance between P(22,7) and Q(7,y) is 17,find y?

Answer 1

Answer:

Step-by-step explanation:

Using distance formulae ,

Root of (x2-x1)^2+(y2-y1)^2=distance

Therefore,

17^2-15^2=(7-y)^2

Root 64 =7-y

Therefore y=-1