The vertex is (-1, 2).
The equation of parabola:
where (h, k) is the vertex
We have h = -1 and k = 2.
Substitute:

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Answer:
5/11
Step-by-step explanation:
4/11 × 10/8
= 40/88
= 5/11
Answer:
Step-by-step explanation:
y= -1/4x
Pink:
10 * 10 = 100
Blue:
10 * 4 = 40
Purple:
9 * 10 = 90
Green:
4 * 9 = 36
Add them all together.
100 + 90 + 40 + 36 = 266
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