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

User Maksim Alekseychik
by
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1 Answer

4 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

User Jumpy
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