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anyanavicka [17]
3 years ago
7

The vertices of parallelogram ABCD are A(2,1),B(3,4),C(5,3), and D(4,0). ABCD is reflected over the x-axis to create parallelogr

am QRST. What are the coordinates of QRST?
A
Q(−2,1),R(−3,4),S(−5,3),T(−4,0)

B
Q(−2,−1),R(−3,−4),S(−5,−3),T(−4,0)

C
Q(1,2),R(4,3),S(3,5),T(0,4)

D
Q(2,−1),R(3,−4),S(5,−3),T(4,0)
Mathematics
1 answer:
Anna35 [415]3 years ago
3 0

Answer:

The correct answer is:

D)   Q(2,1)  R(3,-4) S(5,-3) T(4,0)

Step-by-step explanation:

When you reflect over the x-axis the vertices of the parallelogram, the y -coordinates is multiplying by -1.

Then the new coordinates of the parallelogram are:

Q(2,-1)  R(3,-4) S(5,-3) T(-4,0)

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The total area is:
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2 years ago
A waitress sold 15 ribeye steak dinners and 18 grilled salmon​ dinners, totaling ​$559.81 on a particular day. Another day she s
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Let  the steaks = X and the salmon = y.

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Now using the elimination method:

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Becomes:

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To solve for the cost of the salmon, replace x with the value in the first equation and solve for y.

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Divide both sides by 18:

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Step-by-step explanation:

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