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3 years ago

Simplify the square root of (x^2 -6x+ 9) if x<-3

Mathematics

1 answer:

kolezko [41]3 years ago

4 0

Answer:

x^2 - 9

Step-by-step explanation:

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3 years ago

What is 36 divided by 5. Include the remainder

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Answer:

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Step-by-step explanation:

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3 years ago

What is BC? Any help?

Aliun [14]

Answer:

A. 10

Step-by-step explanation:

$d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$d = \sqrt{(11 - 5)^2 + (-6 - 2)^2}$

$d = \sqrt{6^2 + (-8)^2}$

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8 0

3 years ago

Read 2 more answers

Use the method of completing the square to transform the quadratic equation into the equation form (x + p)2 = q.

ryzh [129]

The correct answer is: A) (x + 2)^2 = 2

Further explanation:

We have to convert the equation into simplest form to complete square

Given equation is:

$6+12x+3x^2=0$

Rearranging the Equation:

$3x^2+12x+6=0$

Dividing the equation by 3 gives us:

$x^2+4x+2= 0$

Subtracting 2 from both sides

$x^2+4x+2-2=0-2$

$x^2+4x=-2$

Here

$x=a\\4x=2ab\\Then\\4x=2(x)(b)\\b=\frac{4x}{2x}\\$

b=2

So,

Adding (2)^2 on both sides

$(x)^2+4x+(2)^2=-2+(2)^2\\(x+2)^2=-2+4\\(x+2)^2=2$

The correct answer is: A) (x + 2)^2 = 2

Keywords: Completing square, factorization

Learn more about factorization at:

#LearnwithBrainly

6 0

3 years ago