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tekilochka [14]
3 years ago
11

Segment J K has coordinates J begin ordered pair 3 comma negative 6 end ordered pair and K begin ordered pair negative 3 comma 2

end ordered pair.
When segment J K is dilated with a scale factor negative 4, what are the coordinates of J prime and K prime?

options:

J prime begin ordered pair negative 12 comma 24 end ordered pair and K prime begin ordered pair 12 comma negative 8 end ordered pair

J primebegin ordered pair negative 1 comma negative 10 end ordered pair and K prime begin ordered pair negative 7 comma negative 2 end ordered pair

J prime begin ordered pair negative fraction 3 over 4 end fraction comma 3 over 2 end ordered pair and K prime begin ordered pair 3 over 4 comma negative 1 half end ordered pair

J prime begin ordered pair 7 comma negative 2 end ordered pair and K prime begin ordered pair 1 comma 6 end ordered pair
Mathematics
1 answer:
mario62 [17]3 years ago
8 0
J' is at (-12, 24) and K' is at (12, -8).

Multiply both the x- and y-coordinates of J by -4; then do the same with the coordinates of K.
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A rectangle has a perimeter of 84 meters and a length of 35 meters. What is the width of the rectangle?
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To find the perimeter of a rectangle, we can use this formula: 2L + 2W
Where L is the length and W is the width.

We know the perimeter and we know the length and we want to find the width.
Substitute the values back into the formula.

2(35) + 2W = 84
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3 years ago
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3 years ago
4/x-7=7/x+6<br><br> What is x
marissa [1.9K]

Answer:

21

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6 0
3 years ago
Please help! if abcd is dilated by a factor of 3, the coordinate of b would be
Nikolay [14]

Answer:

(-6, 6)

Step-by-step explanation:

The coordinates of B to start with is

(-2, 2)

To dilate this by a factor of 3....

-2 * 3 = -6

2 * 3 = 6

The new coordinates of B' would be

(-6, 6)

A few things to know:

- The number 3 is called a "<u>scale factor</u>"

- Dilation means we are multiplying all the (X, Y)'s by the scale factor

- If the scale factor is <u>greater than 1</u>, the size of the shape overall increases

- If the scale factor is <u>less than 1</u>, the size of the shape overall decreases

- If the scale factor is <u>negative</u>, the shape size stays the same. The shape just rotates 180 degrees and moves to the opposite quadrant.

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3 years ago
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