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If 7x + 3y + 9 = 0 and y = kx + 7 are tw...

If 7x + 3y + 9 = 0 and y = kx + 7 are two parallel lines than k is
(a)3/7
(b)-7/3
(c)3
(d)7

A

`3//7`

B

`-7//3`

C

3

D

7

Text Solution

Verified by Experts

The correct Answer is:
B
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