SOLUTION: Find for each trinomial the value of k which makes the trinomial a perfect square. y2 + 3y + k
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Question 44285
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Find for each trinomial the value of k which makes the trinomial a perfect square.
y2 + 3y + k
Answer by
fractalier(6550)
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To find the k that makes this trinomial a perfect square, we take half of the 3 and then square it...so we get
k = [(1/2)(3)]^2
k = (3/2)^2
k = 9/4
thus we have
y^2 + 3y + 9/4 = (y + 3/2)^2