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3 years ago

What’s the correct factorization of x² + 8x+6=0 A. -5(3x+2y)^2 B. 5(3x-2y)^2 C. -5(3x+2y)(3x-2y) D. 5(3x+2y)(3x-2y)

Mathematics

1 answer:

meriva3 years ago

7 0

Answer:

Step-by-step explanation:

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If x^2 = 16(5), then x =

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Answer:

$4\sqrt{5}$ or 8.944

Step-by-step explanation:

$x^{2} = 16(5)$

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Square root both sides to get x by itself

$\sqrt{x^{2} } =\sqrt{80}$

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Step-by-step explanation:

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Step-by-step explanation:

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2 years ago

Find the slope of the line passing through the points (-5,1) and (2,4).

Leno4ka [110]

Answer:

<h3> $\boxed{ \bold{ \huge{ \boxed{ \sf{ \frac{3}{7} }}}}}$ </h3>

Step-by-step explanation:

Let the points be A and B

A ( -5 , 1 ) ⇒( x₁ , y₁ )

B ( 2 , 4 )⇒( x₂ , y₂ )

Finding the slope of the line passing through these Points

Slope = $\sf{ \frac{y2 - y1}{x2 - x1} }$

plug the values

⇒ $\sf{ \frac{4 - 1}{2 - ( - 5)} }$

We know that $\sf{( - ) \times ( - ) = ( + )}$

⇒ $\sf{ \frac{4 - 1}{2 + 5} }$

Subtract 1 from 4

⇒ $\sf{ \frac{3}{2 + 5} }$

Add the numbers

⇒ $\sf{ \frac{3}{7} }$

Hope I helped!

Best regards!!

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3 years ago