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nadezda [96]
2 years ago
8

GIVING BRAINLIST PLZ HELPPPP Which of the following expressions could be used to represent the problem modeled on the number lin

e?
-6 + 2

6 + (-2)

-2 + 6

6 - (-2)

Mathematics
1 answer:
algol132 years ago
7 0
Answer: B) 6 + (-2)
Explanation;
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Answer:

do you mean a fraction? if so..

Step-by-step explanation:

Every number in decimal form, in which either decimals terminate or certain numbers after decimal point continue to repeat endlessly, can be written as a fraction. As the given number 4.5 terminates after first deciimal it can be written as fraction. Here we have 4.5=4510= 9/2

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Fill in the blank with a constant, so that the resulting quadratic expression is the square of a binomial. $\[x^2 + 22x + \under
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Answer:

$\[x^2 + 22x + 121\]$

Step-by-step explanation:

Given

$\[x^2 + 22x + \underline{~~~~}.\]$

Required

Fill in the gap

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$\[x^2 + 22x + k\]$

Solving for k...

To do this, we start by getting the coefficient of x

Coefficient of x = 22

<em />

Divide the coefficient by 2

Result = 22/2

Result = 11

Take the square of this result, to give k

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Substitute 121 for k

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The expression can be factorized as follows;

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<em>Hence, the quadratic expression is </em>$\[x^2 + 22x + 121\]$<em></em>

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