Question

solve 2x+y>6 graphically​

Answer 1

Answer:

Given equation is 2x+y=6 

y=6−2x....(i)

If x=0,y=6−2(0)=6

x=1,y=6−2(1)=6−2=4

x=2,y=6−2(2)=6−4=2

x 0 1 2

y 6 4 2

I A B C

given equation is 2x−y+2=0

⇒y=2x+2....(ii) 

IF x=0,y=2(0)=0+2=2

x=,y=2(1)+2=2+2=4

x=2,y=2(2)+2=4+2=6

X 0 1 2

y 2 4 6

II D E F

The area of ΔBGH formed by lines and x axis =21GH×BJ

=21[3

Answer 2

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