Answer:

Step-by-step explanation:
Rewrite the quadratic using the method of completing the square:

From this form it is immediately clear that the vertex of the parabola is at x=1 and its y-intercept at -6.
Answer:
the value of 8 in the first one is 8
in the second one is 80
Hello,
<span>Density = Mass/Volume
9 = 1800/volume
9volume = 1800
volume = 200 cm^3</span><span>
</span>
The answers is 200 cm^3
Hope that helped :)