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Lorico [155]
2 years ago
13

Quadrilateral ABCD has vertices A(-2,0) B(-3,-3) C(-5,-2) D(-5,2). Which of the following are the coordinates of A' after a dila

tion centered at the origin with a scale factor of 2 1/2?
Mathematics
1 answer:
Naya [18.7K]2 years ago
7 0

Answer:

A' = (-5, 0)

"A" MAY NOT BE THE ANSWER CHOICE "A" IS THE NAME OF THE POINT

Step-by-step explanation:

If A = (-2,0)

Then multiplying each coordinate by 2.5 (-2*2.5, 0*2.5)

Gets us (-5, 0)

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4. Name the first five terms of the arithmetic sequence. a1 = -35, d=4​
eduard

Answer:

Step-by-step explanation:

We first have to write the equation for the sequence, then finding the first five terms will be easy. Follow the formatting:

a_n=a_1+d(n-1) and we are given enough info to fill in:

a_n=-35+4(n-1) and

a_n=-35+4n-4 and

a_n=-39+4n or in linear format:

a_n=4n-39 where n is the position of the number in the sequence. We already know the first term is -35.

The second term:

a_2=4(2)-39 so

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The third term:

a_3=4(3)-39 and

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That means that the fourth term will be -27 + 4 which is -23.

The fifth term then will be -23 + 4 which is -19. You can check yourself by filling in a 5 for n in the equation and solving:

a_5=4(5)-39 and

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