Figures in the Coordinate Plane

Question 1

Mary thinks the triangle is equilateral. How would you support or dispute her conjecture?

Revolt · Accepted Answer

Use the distance formula to calculate the length of all three sides, and check whether all sides are congruent.

Question 2

[___] units

Revolt · Accepted Answer

20

Question 3

1✔ –1undefined

Revolt · Accepted Answer

✔ –1

Question 4

equal✔ negative reciprocalsreciprocals

Revolt · Accepted Answer

✔ negative reciprocals

Question 5

congruentparallel✔ perpendicular

Revolt · Accepted Answer

✔ perpendicular

Question 6

–10undefined

Revolt · Accepted Answer

–1; The slope of diagonal PS is .: –1; The slope of diagonal QR is .: 1; The midpoint of PS is .: (2, 2); The midpoint of QR is .: (2, 2); The diagonals of the square are perpendicular bisectors because the diagonals are .: perpendicular and share the same midpoint

Question 7

–10✔ 1

Revolt · Accepted Answer

✔ 1

Question 8

(0, 4) ✔ (2, 2)(4, 2)

Revolt · Accepted Answer

✔ (2, 2)

Question 9

(4, 0)✔ (2, 2)(2, 4)

Revolt · Accepted Answer

✔ (2, 2)

Question 10

parallel and share the same midpoint✔ perpendicular and share the same midpointthe same length

Revolt · Accepted Answer

✔ perpendicular and share the same midpoint

Figures in the Coordinate Plane Answers

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