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Exercise 6.3 Part 1

Exercise 6.3

1.Draw the graph of each of the following linear equations.

i)2y=-x+1    

sol.i) 2y=-x+1    

$$\Rightarrow$$ x+2y=1

x

1

3

y

0

-1

(x,y)

(1,0)

(3,-1)

 

ii)-x+y=6

x

0

-6

y

6

0

(x,y)

(0,6)

(-6,0)

 

iii)3x+5y=15

x

0

5

Y

3

0

(x,y)

(0,3)

(5,0)

 

iv)$$\frac{x}{2}-\frac{y}{3}$$ =3

$$\Rightarrow \frac{3x-2y}{6}$$ =3

$$\Rightarrow$$ 3x-2y=18

X

0

6

Y

-9

0

(x,y)

(0,-9)

(6,0)