Quadratic Inequalities | Revision Server | Page 1

light pendant Mar 15, 2023, 10:48 AM

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I’ve heard this questions but what do I need to get 5/5??

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get*

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<@&791435371564892232>

tiny glen Mar 15, 2023, 9:36 PM

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What did u get as the area of the rectangle?

light pendant Mar 16, 2023, 10:44 PM

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X^2

tiny glen Mar 18, 2023, 6:57 PM

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light pendant X^2

The rectangle???

light pendant Mar 18, 2023, 7:45 PM

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5x^2-11x+6

tiny glen Mar 18, 2023, 11:48 PM

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So u now have 5x^2-11x+6>x^2
4x^2-11x+6>0
Let y=4x^2-11x+6
Since y>0 x must lie outside of the roots ie x<root1 or x>root2 where root2>=root1
Y=(4x-3)(x-2)
So the roots of y are 3/4 and 2
Therefore x<3/4 or x>2

#Quadratic Inequalities