Question

Find the values of y for which the distance
between the points P (2,-3) and Q (10,7) is
10 units.​

Answer 1

Answer:

Distance between two point (x

1

,y

1

) and (x

2

,y

2

) is given by,

=

(x

2

−x

1

)

2

+(y

2

−y

1

)

2

10

2

=(10−2)

2

+(y+3)

2

(y+3)

2

=10

2

−8

2

(y+3)

2

=6

2

y+3=±6

∴y=3ory=−9

Answer 2

Step-by-step explanation:

9 is the value of y

and 10 is the value of x