Exercise 6.3 Part 1
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) |
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