Approximate using perfect squares what is the radical symbol 78

Mathematics

1 answer:

Evgen [1.6K]3 years ago

8 0

The <em><u>correct answer</u></em> is:

The estimate is between 8 and 9.

Explanation:

Perfect squares are numbers whose square roots are whole numbers. 78 is not one; however, it is between two others, namely 64 and 81.

64 is the perfect square of 8, since 8(8) = 64.

81 is the perfect square of 9, since 9(9) = 81.

78 is between these two; since it is closer to 81, this means the answer will be a decimal between 8 and 9, but that is closer to 9.

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{Thanks for answering my questions!} #thanks

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Ulleksa [173]

I suppose you mean

$\dfrac{3x^3+4x^2+6x+9}{x^2+3x+7}$

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