1.

5. Find the value of y for which the distance between the points A(3,-1) and B(11,y)is 10 units.​

Answer»

Answer:

solving by distance FORMULA

Step-by-step EXPLANATION:

ab Square=(11-3)square+(y+1)square=100

64+y square+1+2y=100

y square+2y-35=0

y square-5y+7y-35=0

y(y-5)+7(y-5)=0

(y-5) (y+7)=0

y=5,y=7



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