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Irina-Kira [14]
3 years ago
5

Y 2 + 5y Choose the constant term that completes the perfect square trinomial.

Mathematics
1 answer:
mafiozo [28]3 years ago
7 0
Given: y²+5y
Converting y²+5y in the form: x²+2ax+a²
Here 2a=5 or a=5/2
Add and subtract (5/2)²
y²+5y+(5/2)²-(5/2)²   
Complete the square.
(y+5/2)²-(5/2)²
Simplify
(y+5/2)² - 25/4

Answer: (y+5/2)² - 25/4

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