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2 years ago

Find the solution of (x+2)^2 +2=6 by using square roots method

Mathematics

1 answer:

kogti [31]2 years ago

4 0

Answer:

(x + 2)² +2 = 6
(x + 2)² = 4
√(x + 2)² = √4
x + 2 = ± 2
x = -2 ± 2
x = -4, x = 0

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denis-greek [22]

Answer:

Part a) $AB=15\ cm$

Part b) $AB=11.1\ cm$

Part c) $AB=3/5\ cm$

Part d) $AB=3s\ cm$

Step-by-step explanation:

see the attached figure to better understand the question

we know that

To find the length of the image after a dilation, multiply the length of the pre-image by the scale factor

Part a) we have

The scale factor is 5

The length of the pre-image is 3 cm

therefore

The length of the image AB after dilation is

$3(5)=15\ cm$

Part b) we have

The scale factor is 3.7

The length of the pre-image is 3 cm

therefore

The length of the image AB after dilation is

$3(3.7)=11.1\ cm$

Part c) we have

The scale factor is 1/5

The length of the pre-image is 3 cm

therefore

The length of the image AB after dilation is

$3(1/5)=3/5\ cm$

Part d) we have

The scale factor is s

The length of the pre-image is 3 cm

therefore

The length of the image AB after dilation is

$3(s)=3s\ cm$

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3 years ago

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3 years ago

Find the solution of (x+2)^2 +2=6 by using square roots method​

Find the solution of (x+2)^2 +2=6 by using square roots method