Question

If (3, k) is a point on the line join of (3, 5) and (-1,4) find k.

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

3+k

=x

⇒3+k=2x -------(1)

2

4+7

=y

y=

2

11

-----------(2)

given that, k passes through the line 2x+2y+1=0

[From (1)] and (2)]

⇒3+k+11+1=0

⇒k+15=0

⇒k=−15