Find the x and y intercepts and graph 9x + 8y = 72. Graph the points.

3 answers

y intercept is when x is zero.

9*0+8y=72 what is y?

x intercept is when y is zero,

9x+8*0=72 what is x?
give the slope of each line then determine whether the two lines are paralell, perpendicular, or neither.

slope of 4x+5y=5, -15x+12y=0
HORIZONTAL LINE X | Y
___|___
-3|2.25
-2|2.25
-1|2.25
0|2.25