ALGEBRA
posted by Lisa .
4x+9y=36
FIND THE X AND Y INTERCEPT AND GRAPH THE EQUATION PLOTTING THE INTERCEPTS

The xintercept 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 zintercept 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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