Step-by-step explanation:
4x+9y=28
-4x-y=-28
8y=0
divide both side by 8
y=0
solve for X in equation 1
4(X)-9(0)=28
4x-0=28
4x =28
divide both side by 4
4x/4=28/4
X= 7
y=0,x=7
If a line were to be perpendicular from said points, the slope of it would be -1/28. Hope this helps!
Answer:
B.) Associative Property of Addition
Step-by-step explanation:
This is because none of the numbers change places the only things that move are the parenthesis which correspond with the associative property.
