![1 - \dfrac{y-1}{y} = \dfrac{1}{y^2 + 2y}](https://tex.z-dn.net/?f=1%20-%20%5Cdfrac%7By-1%7D%7By%7D%20%3D%20%5Cdfrac%7B1%7D%7By%5E2%20%2B%202y%7D)
![\dfrac y y - \dfrac{y-1}{y} = \dfrac{1}{y^2 + 2y}](https://tex.z-dn.net/?f=%5Cdfrac%20y%20y%20-%20%5Cdfrac%7By-1%7D%7By%7D%20%3D%20%5Cdfrac%7B1%7D%7By%5E2%20%2B%202y%7D)
![\dfrac{1}{y} = \dfrac{1}{y^2 + 2y}](https://tex.z-dn.net/?f=%5Cdfrac%7B1%7D%7By%7D%20%3D%20%5Cdfrac%7B1%7D%7By%5E2%20%2B%202y%7D)
![y = y^2 + 2y](https://tex.z-dn.net/?f=y%20%3D%20y%5E2%20%2B%202y)
![y^2 + y = 0](https://tex.z-dn.net/?f=y%5E2%20%2B%20y%20%3D%200)
![y(y+1)=0](https://tex.z-dn.net/?f=y%28y%2B1%29%3D0)
![y = 0 \textrm{ or } y = -1](https://tex.z-dn.net/?f=y%20%3D%200%20%5Ctextrm%7B%20or%20%7D%20y%20%3D%20-1)
We rule out y=0 because of the denominator y in the original equation.
Answer: B: y=-1
Answer:
A) 27
Step-by-step explanation:
= 81
<em>x = 2 </em>
<em />
<em>3(</em>
) = 3(9) = 27
Answer:
3 • (2xy - 7) • (xy + 2)
Step-by-step explanation:
(((2•3x2) • y2) - 9xy) - 42
6x2y2 - 9xy - 42 = 3 • (2x2y2 - 3xy - 14)
Answer:
1/3 x 3/4
Step-by-step explanation:
in this case, 3/4 is correct because it is 3 of 4 shaded.
hope this helps!