3 years ago

What is an integer ?

Mathematics

2 answers:

Vilka [71]3 years ago

8 0

An integer is a whole number that can be positive or negative.

Dovator [93]3 years ago

5 0

An integer is a whole number that can be positive, negative or 0.

Examples: -22, 5, 1000

Any decimal numbers are NOT integers (for example the number 2.76 is not an integer)

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4 years ago

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Anarel [89]

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KatRina [158]

Answer: Choice C

Vertex = (5, -2)

===============================================

Explanation:

Vertex form is $y = a(x-h)^2 + k$ where the vertex itself is located at (h,k)

As the name implies, we can very quickly pull out the coordinates of the vertex without doing much math at all.

In the case of choice C, we have $y= \frac{1}{2}(x-5)^2 - 2$ which is the same as $y = \frac{1}{2}(x-5)^2 + (-2)$ and we can see that h = 5 and k = -2. Therefore, the vertex is located at (h,k) = (5, -2)