Question

find the nature of the roots of the following 2x^ - 5x-9​

Answer 1

Answer:

This is in the form of ax

2

+bx+c=0. The co-efficient are a=2,b=−5,c=−1

△=b

2

−4ac,△=(−5)

2

−4(2)(−1),△=25+8,△=33

∴△>0. Therefore, roots are real and distinct

Step-by-step explanation:

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Answer 2

This is in the form of ax2+bx+c=0. The co-efficient are a=2,b=−5,c=−1

△=b2−4ac,△=(−5)2−4(2)(−1),△=25+8,△=33

∴△>0. Therefore, roots are real and distinct

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