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Earn +20 ptsQ: What is a if the square root of 4a squared equals 21?
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What is the principle square root of 49 over 21 squared?
(√(a))²=a The square root and the square cancel to leave just 49/21■
What is x2 plus x-5 equals 0?
x=1/2(-1-square root of 21) and x=1/2(square root of 21 -1)
What the answer to 4x2 plus 12 plus 9 equals 0?
As written, that's 4x squared = -21 and x equals the square root of -21/4. But if you meant that to be 12x, it factors out nicely to (2x + 3)(2x + 3) and x would equal -3/2
What is the square root of 410 between two interegers?
The square root of 410 equals 20.2485. 20.2485 is between the two integers, 20 and 21.
Is 4.5 the square root of 21?
4.6 is a better approximation to the square root of 21.
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