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Yasaswipyakurel4

Answer:The value of k must be[c] to make this quadratic equation a perfect square.

Step-by-step explanation:

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lucasella

Answer:

c)4

Step-by-step explanation:

9y²-12y+k

(3y)²-2*3*2*y+2²=(3y-2)²

k=2²=4

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