If 3x+7y= 14 express y in terms of x whether (3,-2) is a point on the line.
Answers
Answered by
34
this is the answer of your question
Attachments:
Answered by
32
Given :
3x+7y=14
7y=14-3x
y=14-3x/7
expressing given equation in terms of x: y=(14-3x)/7
Now to check whether the point (3,-2) lies on line , we need to substitute the values of x and y :
7y=14-3x
7x(-2)=14-3x3
-14=4-9
-14=-3
Here R.H.S ≠ L.H.S
hence the point (3, -2) does not lie on line.
3x+7y=14
7y=14-3x
y=14-3x/7
expressing given equation in terms of x: y=(14-3x)/7
Now to check whether the point (3,-2) lies on line , we need to substitute the values of x and y :
7y=14-3x
7x(-2)=14-3x3
-14=4-9
-14=-3
Here R.H.S ≠ L.H.S
hence the point (3, -2) does not lie on line.
Similar questions