Times both sides by -1
-8x=x²-20
add 8x both sides
0=x²+8x-20
factor
what 2 numbers multiply to get -20 and add to get 8
-2 and 10
0=(x-2)(x+10)
set to zero
x-2=0
x=2
x+10=0
x=-10
x intercepts at x=-10 and 2 or at the points
(-10,0) and (2,0)
Hi,
The answer is B. Since you have 2.5$ and the cost of lunch is 2.5$, you will buy lunch today.
Hope this helps.
r3t40
Answer:
y=8/5x-11
Step-by-step explanation:
10:14, 15:21, 20:28 would be a few. Add five two the first and seven to the second number.
Amount would be: 4500 * 9%
= 4500 * 0.09 [ 9% = 0.09 ]
= 405
In short, Your Answer would be: $405
Hope this helps!
