Question

2) Find y if the distance between D(y 7) and 1.15) 10
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Answer 1

Answer:

distance=

(x−1)

2

+(7−15)

2

=10

or(x−1)

2

+8

2

=10

2

(x−1)

2

=100−64

(x−1)

2

=6

2

if(x−1)=6

thenx=7

andif(x−1)=−6

thenx=−5