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Direct variations

alex2889

New member
Joined
Dec 8, 2009
Messages
1
on a graph of a direct variation equation wat is the y intercept?
 

Denis

Senior Member
Joined
Feb 17, 2004
Messages
1,282
Post an actual problem.
 

Mrspi

Senior Member
Joined
Dec 17, 2005
Messages
2,128
alex2889 said:
on a graph of a direct variation equation wat is the y intercept?

The general form for a direct variation is

y = k*x

where "k" is known as the constant of variation.

Compare this to the slope-intercept form of a linear equation:

y = m*x + b, where m is the slope and b is the y-intercept.

Does this help you determine the y-intercept for the graph of a direct variation equation?

If you're still confused, remember that any point on the y-axis has an x-coordinate of 0. So you can find the y-intercept by substituting 0 for x...........
 

Subhotosh Khan

Super Moderator
Staff member
Joined
Jun 18, 2007
Messages
18,091
Mrs?,

I am impressed - you know "wat" is what......
 
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