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OlgaM077 [116]
2 years ago
7

What is the vertex of y = x2 + 2x +2 O (1,-1) O (2,-2) O (1, 2) 0 (-1, 1)

Mathematics
1 answer:
fredd [130]2 years ago
8 0

Answer:

vertex = (- 1, 1 )

Step-by-step explanation:

Given a parabola in standard form

y = ax² + bx + c ( a ≠ 0 )

Then the x- coordinate of the vertex is

x = - \frac{b}{2a}

y = x² + 2x + 2 ← is in standard form

with a = 1 and b = 2 , then

x = - \frac{2}{2} = - 1

substitute x = - 1 into the equation for y- coordinate of vertex

y = (- 1)² + 2(- 1) + 2 = 1 - 2 + 2 = 1

vertex = (- 1, 1 )

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Answer:

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Step-by-step explanation:

A radius by definition is half of the diameter which means the diameter is twice the radius.

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3 years ago
The area of Gateway National Recreation is about twenty-six thousand, six hundred and sixty-three hundredths. Which shows this n
Delicious77 [7]

Answer:

B. 26,606.63

Step-by-step explanation:

The area of Gateway National Recreation Area is about twenty-six thousand, six hundred six and sixty-three hundredths. Which shows this number in standard form? A. 26,606.3 B. 26,606.63

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Solution

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26,606.63

The correct answer is B

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3 years ago
A. 5<br> B. 5.5<br> C. 6<br> D. 5[2
34kurt
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3 years ago
What is 1/6 of 11/12 reduce it to
lara [203]
11/12* (1/6)
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Answer:

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