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svp [43]
4 years ago
15

Quiz number 2 question 2 help?

Mathematics
1 answer:
Crazy boy [7]4 years ago
3 0

Answer:

The answer is H.

Step-by-step explanation:

You have to apply mid point formula :

midpoint = ( \frac{x1 + x2}{2} , \frac{y1 + y2}{2} )

let \: (2,8) \: be \: (x1,y1)

let \: (7, - 5) \: be \: (x2,y2)

mipoint = ( \frac{2 + 7}{2} , \frac{8 + ( - 5)}{2} )

midpoint = ( \frac{9}{2} , \frac{4}{2} )

midpoint = (4 \frac{1}{2} ,2)

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Perfect square formula/rules:

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Trinomials are often organized like ax^2+bx+c.

The <em>b</em> value in this case is <em>c</em>, and it will always equal the square of half of the <em>b</em> value.

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<h2>Solving the Question</h2>

We're given:

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In a trinomial, we're given the ax^2 and bx values. <em>a</em> in this case is 1 and <em>b</em> in this case is 4. To find the third value by dividing 4 by 2 and squaring the quotient:

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(c-2)^2

<h2>Answer</h2>

c^2-4c+4

(c-2)^2

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