Question

13.If the lines given by 3x + 2ky = 2 and 2x + 5y + 1 = 0 are parallel, then the value of k is *

2 points

(A) 5/4

(B) 2/5

(C) 15/4

(D) 3/2

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Answer 1

Answer:

15/4 is your answer

Step-by-step explanation:

Given

a1=3, a2=2,

b1=2k, b2=5

c1=2, c2=1

When the lines are parallel we have

=>a1/a2=b1/b2≠c1/c2

=>3/2=2k/5≠2/1

3/2=2k/5

2x2k=3x5

4k=15

k=15/4

therefore,k=15/4

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Answer 2

Answer:

(c) 15/4

Step-by-step explanation:

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