Question

4)
Write the co-ordinates of any two points which lie on the line-x+y=-7.
How many such points exist?​

Answer 1

Answer:

(0,-7) , (1 , -6 )

Step-by-step explanation:

- x+ y = - 7

y = - 7 + x — ( 1 )

put x = 0,1 in equation 1

x=0 case 1

y = -7+0

y= -7

x=1 case 2

y=-7+1

y = - 6