Step-by-step explanation:
To figure out your x-intercepts and y-intercepts you have to redo the equation and make it equal to zero.
Step 1: 8x + 9y - 72 = 0
Step 2: 8x + 9y = 72
Now you can figure out your intercepts! As long as you use the STANDARD FORM EQUATION which is Ax + By = C
Y-INTERCEPT (vertical line): ( [tex]\frac{c}{b}[/tex] , 0 )
X-INTERCEPT (horizontal line): ( 0 , [tex]\frac{c}{a}[/tex] )
Insert your numbers how it shows in the standard form equation and you should get something like this:
Y-INTERCEPT: ( [tex]\frac{72}{9}[/tex] , 0 )
Simplified Y-INTERCEPT: ( 8 , 0 )
X-INTERCEPT: ( 0 , [tex]\frac{72}{8}[/tex] )
Simplified X-INTERCEPT: ( 0 , 9 )
Insert that into your graph and you should be able to get your answer.
