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11TH · MATH

Question 4

menu_bookSolutionmenu_bookTheorymenu_book•(i)∣x2+1∣=5|x^2+1|=5∣x2+1∣=5menu_book•(ii)∣x2+5x+4∣=0|x^2+5x+4|=0∣x2+5x+4∣=0menu_book•(iii)∣x2−6x+8∣=4|x^2-6x+8|=4∣x2−6x+8∣=4menu_book•(iv)∣3x2−7x+2∣=x2−x+1|3x^2-7x+2|=x^2-x+1∣3x2−7x+2∣=x2−x+1menu_book•(v)∣x2−4∣<5|x^2-4|<5∣x2−4∣<5menu_book•(vi)∣x2−3x+2∣>4|x^2-3x+2|>4∣x2−3x+2∣>4menu_book•(vii)∣x2−5x+6∣≤x+2|x^2-5x+6|\le x+2∣x2−5x+6∣≤x+2menu_book•(viii)∣2x2−3x−5∣<4|2x^2-3x-5|<4∣2x2−3x−5∣<4
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11TH · MATH

Question 4

menu_bookSolutionmenu_bookTheorymenu_book•(i)∣x2+1∣=5|x^2+1|=5∣x2+1∣=5menu_book•(ii)∣x2+5x+4∣=0|x^2+5x+4|=0∣x2+5x+4∣=0menu_book•(iii)∣x2−6x+8∣=4|x^2-6x+8|=4∣x2−6x+8∣=4menu_book•(iv)∣3x2−7x+2∣=x2−x+1|3x^2-7x+2|=x^2-x+1∣3x2−7x+2∣=x2−x+1menu_book•(v)∣x2−4∣<5|x^2-4|<5∣x2−4∣<5menu_book•(vi)∣x2−3x+2∣>4|x^2-3x+2|>4∣x2−3x+2∣>4menu_book•(vii)∣x2−5x+6∣≤x+2|x^2-5x+6|\le x+2∣x2−5x+6∣≤x+2menu_book•(viii)∣2x2−3x−5∣<4|2x^2-3x-5|<4∣2x2−3x−5∣<4
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Accedmychevron_right11thchevron_rightmathchevron_rightTheory Of Quadratic Functionschevron_rightExercise 3.1

(v)

(−3,3)\boxed{(-3,3)}(−3,3)​
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