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Irina18 [472]
2 years ago
11

Write equation in Vertex Form with a Vertex of (5,-2)

Mathematics
1 answer:
Talja [164]2 years ago
8 0

Answer: h = 2

k = -5

y = a(x - h)2 + k

y = a(x - 2)2 - 5

Use the given point to find a.

-8 = a(5 - 2)2 - 5

-8 = 9a - 5

a = -1/3

y = (-1/3)(x - 2)2 - 5

Step-by-step explanation:

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No

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17/10 is not proportional to 12/5. Proportional relationships are relationships between two variables where their ratios are equivalent.  17/10 as a ratio is 17:10 and 12/5 as a ratio would be 12:5. A proportional relationship for 12/5 would be 24/10.

Hope this helps :)

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3 years ago
Am I right. if not please show me work thx.
Drupady [299]
If you're talking about #3, then the equation would be 10+12.50h=5+15h.
h will equal 2, and the cost for that number of hours would then be $35.

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Brrunno [24]

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8/24

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2 years ago
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NeTakaya
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