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Express as a Polynomial

Question 12

Multiple Choice

Express as a polynomial. Express as a polynomial. A) 9x<sup> 4 </sup> + 21x<sup> 2 </sup>y<sup> 2 </sup> + 49y<sup> 4 </sup> B) 9x<sup> 4 </sup> + 42x<sup> 2 </sup>y<sup> 2 </sup> + 49y<sup> 4 </sup> C) 9x<sup> 2 </sup> + 42x<sup> 4 </sup>y<sup> 4 </sup> + 49y<sup> 2 </sup> D) 49x<sup> 4 </sup> + 21x<sup> 2 </sup>y<sup> 2 </sup> + 9y<sup> 4 </sup> E) 49x<sup> 4 </sup> - 42x<sup> 2 </sup>y<sup> 2 </sup> + 9y<sup> 4 </sup>


A) 9x 4 + 21x 2 y 2 + 49y 4
B) 9x 4 + 42x 2 y 2 + 49y 4
C) 9x 2 + 42x 4 y 4 + 49y 2
D) 49x 4 + 21x 2 y 2 + 9y 4
E) 49x 4 - 42x 2 y 2 + 9y 4

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