An item is regularly priced at $30. It is on sale for 20% off the regular price. How much in dollars) is discounted from the regular price?
Let be the line that passes through both points.
We know that and . So:
Solving the system, we get that a= -1 and b = 6.
So the line is equal to .
Answer:
(6,-7)
Step-by-step explanation:
take b as x2,y2
then apply mid point formula
x=(x1+x2)/2
y=(y1+y2)/2
36 / 9 = 4
Answer : 4 play areas.
F(-8)=8^2-3(-8)
=64+24
=88
Hope this can help.