Question

For what value of k, do the equations 2x – 3y + 10 = 0 and 3x + ky + 15 = 0 represent coincident lines


-9/2

9/2

3/2

11



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Answer 1

Answer:

2

Step-by-step explanation:

2x-3y=10

3x+ky=15

(-) (-) (-)

________

1x-3k= -5

-3k= -5-1x

k= -6/-3 (minus minus cancel)

k = 2

Answer 2

Step-by-step explanation:

the value of k -4.5 ......

should be helpful