If 81y^2-k=9y^2-(1/2)^2 what is the value of k

Srd asked Dec 22, 2022

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Srd asked Dec 22, 2022

by Srd

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16 votes

Answer:

k = 1/4

Explanation:

81y² - k = (9y)² - (1/2)²

(9y)² - k = (9y)² - (1/2)²

k = (1/2)² = 1/4

Ilya Petukhov answered Dec 27, 2022

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