Question

Which of the following expression are polynomial in one variable find the number of terms also:
1)3x×x-5x+13.

Answer 1

Answer:

(i) In one variable 

Given equation is 2x+9=0

⇒2x=−9

⇒x=2−9=−4.5

(ii) Given equation is 2x+9=0

⇒2x+0y+9=0

⇒2x=−9

⇒x=2−9=−4.5

It is line parallel to y-axis at a negative distance.

Two points lying it are the points A(−4.5,0),B(−4.5,2).



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