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3 years ago

6

△MNO is rotated about point A to △M′N′O′ . Which statements are true about the pre-image and image? Select each correct answer.

2 answers:

Dmitry_Shevchenko [17]3 years ago

6 0

The correct option is MN = M'N' since the first two options can be eliminated through the rules of rigid transformations.

Salsk061 [2.6K]3 years ago

3 0

Answer:

MN ≅ M′N′

Step-by-step explanation:

When you rotate an image on a certain pivot point, you´ll end up with two equal images in shape and form, but with different angles from the center, since the image is the same shape, form and length, their sides and angles should be the same, so the sentece that is true is that MN ≅ M′N′.

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G(x) = 6 - 2x<br> Find g(-4).

sergeinik [125]

Answer:

$\huge \boxed{g( - 4) = 14}$

Step-by-step explanation:

$g(x) = 6 - 2x$

To find g(-4) , substitute the value of x that's - 4 into g(x). That is for every x in g(x) , replace it with - 4

We have

$g( - 4) = 6 - 2( - 4) \\ = 6 + 8 \\ = 14 \: \: \: \: \:$

We have the final answer as

<h3>g(-4) = 14</h3>

Hope this helps you

5 0

3 years ago

Please help !!! Thanks :)

Tpy6a [65]

Pair 2 is a reflection. If you rotated it it would be flipped, so that doesn’t make sense.

7 0

3 years ago

Read 2 more answers

Determine whether f(x) = –5x^2 – 10x + 6 has a maximum or a minimum value.

Blizzard [7]

First,

We are dealing with parabola since the equation has a form of,

$y=ax^2+bx+c$

Here the vertex of an up - down facing parabola has a form of,

$x_v=-\dfrac{b}{2a}$

The parameters we have are,

$a=-5,b=-10, c=6$

Plug them in vertex formula,

$x_v=-\dfrac{-10}{2(-5)}=-1$

Plug in the $x_v$ into the equation,

$y_v=-5(-1)^2-10(-1)+6=11$

We now got a point parabola vertex with coordinates,

$(x_v, y_v)\Longrightarrow(-1,11)$

From here we emerge two rules:

If $a$ then vertex is max value
If $a>0$ then vertex is min value

So our vertex is minimum value since,

$a=-5\Longleftrightarrow a$

Hope this helps.

r3t40

7 0

3 years ago

I need to find the ratio of the line

Tom [10]

-2 or -2/1 because the ratio is y over x and the line is going down 2 (-2) every time it goes to the right once (1)

7 0

3 years ago

"400 reduced by 4 times my age is 116." what is his age?

Lynna [10]

400 reduced by 4 times my age is 116...

400 - 4x = 116
-4x = 116 - 400
-4x = - 284
x = -284/-4
x = 71 <===

4 0

3 years ago