when a cubic polynomial has only one zero ,then the graph of the polynomial meets x-axis in only:
(a)1 point
(b)2 point
(c)3 point
(d)4 point
Answers
Answer:
1 point
hope it helps...
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if a cubic polynomial has only one zero ,then the graph of the polynomial meets x-axis in only 1 point
Step-by-step explanation:
Any polynomial
f(x) has number of zeroes Equal to the number of times it meets x axis
if a cubic polynomial has only one zero then it will meet x axis only once
means at one points only
Zero of a polynomial mean that value of x for which polynomial function value is Zero
hence value of f(x) = 0
Hence point become = (x , 0)
if Zero is only one then only one point
hence as many zeroes as many x axis value satisfying the condition ( x , 0)
So if a cubic polynomial has only one zero ,then the graph of the polynomial meets x-axis in only 1 point
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