Answer:
if x=2, y= 1
if x=5, y=-5
Step-by-step explanation:
6x+3y=15
3y=-6x+15
y=-2x+5
y=-2(2)+5
y=-4+5
y=1
y=-2(5)+5
y=-10+5
y=-5
Answer:$29
Step-by-step explanation:-4 + 29 = 25. The overall change to his account is 29 dollars.
The vertex form is y=(x-4)^2-1
