Posted by Lisa on Sunday, July 15, 2012 at 12:05pm.
The x-intercept of a line is the point at which the line crosses the x axis. ( i.e. where the y value equals 0 )
In this case :
- 4 x + 9 * 0 = - 36
- 4 x = - 36 Divide both sides by -4
x = - 36 / - 4 = 9
x - intercept point (9,0)
The z-intercept of a line is the point at which the line crosses the z axis. ( i.e. where the x value equals 0 )
In this case >
- 4 * 0 + 9 y = - 36
9 y = - 36 Divide both sides bz 9
y = - 36 / 9 = - 4
y i intercept point ( 0,-4)
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