Question

15.
If x= k2 and y = k are solution of equation x - 5y = -6 then k =
a) 2.3
b) 3,-2
c) -3,2
d) -2,-3
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Answer 1

Answer:

Substitute the values

k²-5k=-6

k²-5k+6=0

k²-2k-3k+6=0

k(k-2)-3(k-2)=0

(k-2)(k-3)=0

k-2=0 k-3=0

k=2 k=3

a)2,3

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Answer 2

Answer:

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