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You need to work backwards from the answer of 16.
Dividing 16 by 4 gives you 4.
The square root of 4 is 2.
Your number is 2.
Check your answer -
2 squared is 4. 4 times this 4 is 16.
It can also be -2 (minus or negative 2) because when you multiply (or square) two negative numbers, the answer becomes a positive number.
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Earn +20 ptsQ: Four times the square of a number is 16 Find the number?
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Continue Learning about Math & Arithmetic
Four times the square of a number is 9 Find the number?
3/2 4* 9/4 = 9
Four times the square of a number is16 find the number?
a square root is a number that when multiplied by itself gives a particular answer. 4x?=16 4x "the square root of 16"=16..we choose 16 because its square is 4 and when multiplied by itself gives us the final answer 16.
How do you write an algebraic expression four times the sum of a number and its square?
4(x)2
Four times the square of a positive number exceeds 8 times the number by 12 Find the number?
4n2 = 8n + 12 n2 - 2n - 3 = 0 (n - 3)(n + 1) = 0 n = -1, 3 Since it has to be positive, the answer is 3.
Set up equation for If you subtract a number from four times its square the result is three?
4x2 - x = 3
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