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zzz [600]
3 years ago
7

Can someone help I’m confused

Mathematics
1 answer:
PtichkaEL [24]3 years ago
4 0
Since the slope is -2 we know that m=-2. Now use the standard form of y=mx+b and plug in the coordinates (-8,2). We know y=2, x=-8, and m=-2. Therefore we get 2=-2(-8)+b. Now solve for b and you get -14. Therefore, the equation is y=-2x-14.
Hope this helped!
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Find the midpoint of the segment between the points (17,1) and (−2,8)
sergeinik [125]

Answer:

C. (15/2,9/2)

Step-by-step explanation:

To find the midpoint of two points

midpoint = (x1+x2)/2 , (y1+y2)/2

               = (17+-2)/2, (1+8)/2

               = 15/2, 9/2

5 0
3 years ago
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The image below shows two dilated figures with lines WX and W'X' drawn. If the larger figure was dilated using a scale factor of
diamong [38]
Sorry i’m not sure have a good day!
4 0
3 years ago
A regular pentagon shares a common center with a regular hexagon. If LM¯¯¯¯¯ || AB¯¯¯¯¯, across how many lines of reflection can
Thepotemich [5.8K]

This problem is very difficult to imagine without the figure. However I dug up on other sources and I think I found the correct figure to work with (see the attached pic).

 

We can see that in the figure, the hexagon is inscribing the pentagon. What is meant here to be lines of reflection simply means lines of symmetry. If we take on the hexagon alone, there are a lot of lines of symmetry. We can create the line intersecting E & B and the figure would still be symmetrical on both sides or D & A, F & C and etc. So there are a lot for hexagon alone.

 

However in this case, our lines of symmetry is made limited by the presence of the pentagon. If we slice the pentagon into two, the only line of symmetry we could create would be the line intersecting O and the median of LM. Other lines would not create a symmetrical half.

 

Therefore the line of reflection is only <u>1.</u>

5 0
4 years ago
Write the quadratic equation whose roots are 5 and -1 and whose leading coefficient is 4
nlexa [21]

Answer:

4x^2-16x-20

Step-by-step explanation:

(x-5)(x+1)=x^2-5x+x-5=x^2-4x-5

leading coefficient=4

which means that 4(x^2-4x-5)=4x^2-16x-20 is the answer.

8 0
3 years ago
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Which shapes have exactly one line of symmetry?
Aleksandr [31]

Answer:

D.

Step-by-step explanation:

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3 years ago
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