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madreJ [45]
3 years ago
13

2.What is the factored form of x^2 + 6x + 8?

Mathematics
2 answers:
Nonamiya [84]3 years ago
8 0
2. x^2 +6x +8 = (x+4)(x+2)

3. x^2 -7x +12 = (x-4)(x-3)

4. g^2 -2g -24 = (g+4)(g-6)

hope helped 
Irina-Kira [14]3 years ago
4 0
2.  x² + 6 x + 8 =
= x² + 4 x + 2 x+ 8 = x ( x + 4 ) + 2 ( x + 4 ) =
= ( x + 4 ) ( x + 2 )
Answer:  B )
3.  x² - 7 x + 12 =
= x² - 3 x - 4 x + 12 = x ( x - 3 ) - 4 ( x - 3 ) =
= ( x - 3 ) ( x - 4 )
Answer:  D )
4.  g² - 2 g - 24 = ( g + 4 ) * W
g² - 2 g - 24 = g² - 6 g + 4 g - 24 = 
= g ( g - 6 ) + 4 ( g - 6 ) =
= ( g - 6 ) ( g + 4 )
Answer:  B ) g - 6
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Which scale factors produce an expansion under a dilation of the original image?
alina1380 [7]

Answer:  The correct options are (A) 8 and (D) 7.

Step-by-step explanation:  We are given to select the correct scale factors that produces an expansion under a dilation of the original image.

The SCALE FACTOR of a dilation is defined as follows:

\textup{Scale factor}=\dfrac{\textup{length of a side of the dilated image}}{\textup{length of the corresponding side of the original image}}.

The dilation will be an expansion is the scale factor is greater than 1 (> 1),

and it will be a reduction if the scale factor is less than 1 (< 1).

Option (A) is

Scale factor = 8.

Since 8 > 1, so the scale factor of the dilation is greater than 1. This implies that the dilation is an expansion.

Option (B) is

Scale factor = 0.7.

Since 0.7 < 1, so the scale factor of the dilation is less than 1. This implies that the dilation is a reduction.

Option (C) is

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Since 0.8 < 1, so the scale factor of the dilation is less than 1. This implies that the dilation is a reduction.

Option (D) is

Scale factor = 7.

Since 8 > 1, so the scale factor of the dilation is greater than 1. This implies that the dilation is an expansion.

Thus, the correct options are (A) 8 and (D) 7.

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3 years ago
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3b+3s will be the answer
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