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Q.

In which of the following classification, does the polynomial 5t-7 belong?


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a

Constant polynomial

b

Linear polynomial

c

Quadratic polynomial

d

Cubic polynomial 

answer is B.

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Detailed Solution

The given polynomial is,
5t-7
The degree of a polynomial is the highest value of the power of the variable existing in any of the terms of the given expression.
A polynomial is referred to as a constant polynomial if its degree is 0.
A polynomial is referred to as a linear polynomial if its degree is 1.
A polynomial is referred to as a quadratic polynomial if its degree is 2.
A polynomial is referred to as a cubic polynomial if its degree is 3.
In the polynomial 5t-7,  degree is 1.
Therefore, it is a linear polynomial.
Hence, option (2) is correct.
 
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