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Weighted Averages Lesson

Last updated 7 months ago

11 Nsɛmmisa

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1.

What is the midpoint of the segment connecting (1,2) and (5,2)?

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2.

Find the midpoint of the segment joining (5,2) and (5,10).

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3.

Determine the midpoint of the segment with endpoints (1,2) and (5,10).

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4.

What point partitions segment AB into a 2:1 ratio?

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5.

Calculate C according to the formula on the page.

(4,3)

(6,2)

(5,2.5)

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6.

What do you notice about how the answers for the first 2 questions compare? What do you wonder?

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8.

What are the coordinates for B' that will divide AB into a 4:1 ratio?

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9.

What are the coordinates for D' that will divide AD into a 4:1 ratio?

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10.

What are the coordinates for C' that will divide AC into a 4:1 ratio?

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11.

Is AB'C'D' a dilation of ABCD? Justify your answer.

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7.

Write the expression that will divide segment KL into a 3:1 ratio.