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Question

Identify the expression that are in standard form?

A
9x3+6x2+17xy+5
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B
6x4+2x2+3xy+5x+6x3
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C
2+9xx2
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D
9x3+45x+3
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Solution

The correct options are
A 9x3+6x2+17xy+5
D 9x3+45x+3
If the terms are arranged in such a way that the degrees of the terms are in descending order then the expression is said to be in standard form.

In the expressions 9x3+6x2+17xy+5 and 9x3+45x+3 , the degrees of the terms are in descending order.
Hence, these expressions are in standard form.

In the expressions 6x4+2x2+3xy+5x+6x3 and 2+9xx2, the degrees of the terms are not in descending order. Hence, these expressions are not in standard form.

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