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Inequalities

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Inequalities

by winniethepooh » Sat Jul 02, 2011 4:39 pm
Q.]WHICH OF THE FOLLOWING INEQUALITIES IS AN ALGEBRAIC EXPRESSION OF THE NUMBER LINE: -5<= x =<3?

A)|x|<= 3
B)|x|<= 5
C)|x-2|<=3
D)|x-1|<=4
E)|x+1|<=4
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by galaxian » Sat Jul 02, 2011 5:16 pm
A)|x|<= 3 ------> -3<= x <=3
B)|x|<= 5 ------> -5<= x <=5
C)|x-2|<=3 ------> -1<= x <=5
D)|x-1|<=4 -------> -3<= x <=5
E)|x+1|<=4 --------> -5<= x <=3

Hence E
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by MBA.Aspirant » Sat Jul 02, 2011 6:04 pm
winniethepooh wrote:Q.]WHICH OF THE FOLLOWING INEQUALITIES IS AN ALGEBRAIC EXPRESSION OF THE NUMBER LINE: -5<= x =<3?

A)|x|<= 3
B)|x|<= 5
C)|x-2|<=3
D)|x-1|<=4
E)|x+1|<=4
C) x-2< 3, x < 5
D) x-4 < 4, x < 3
x-1 > -4, x > -3

E) x+4 <, x < 3
x+1 > -4, x > -5

-5 < x < 3
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