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Geometry 6-7 Polygons in the Coordinate Plane

| 22 Questions

Note from the author:

A complete formative lesson with embedded slideshow, mini lecture screencasts, checks for understanding, practice items, mixed review, and reflection. I create these assignments to supplement each lesson of Pearson's Common Core Edition Algebra 1, Algebra 2, and Geometry courses. See also mathquest.net and twitter.com/mathquestEDU.

1

10 pts

Solve It! You and a friend are playing a board game. Players place rubber bands on their own square grid to form different shapes. The object of the game is to guess the vertices of your opponent's shape. How would you place pieces on the grid to complete a right isosceles triangle?

2

10 pts

Solve It! Refer to your sketch in the previous item and justify the placement of each rubber band that you added.

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3

10 pts

Problem 1 Got It?

A

B

C

4

10 pts

Problem 2 Got It? ▱ MNPQ has vertices M(0, 1), N(-1, 4), P(2, 5), and Q(3, 2).

a. Is ▱ MNPQ a rectangle? Explain.

5

10 pts

Problem 2 Got It? ▱ MNPQ has vertices M(0, 1), N(-1, 4), P(2, 5), and Q(3, 2).

b. Is ▱ MNPQ a square? Explain.

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6

10 pts

Problem 3 Got It?

A

B

C

D

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7

10 pts

A

B

C

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8

10 pts

A

B

C

D

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9

10 pts

Writing: Describe how you would determine whether the lengths of the medians from the base angles D and F are congruent.

10

10 pts

Error Analysis: A student says that the quadrilateral with vertices D(1, 2), E(0, 7), F(5, 6), and G(7, 0) is a rhombus because its diagonals are perpendicular. What is the student's error?

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11

5 pts

Review Lesson 6-6: Refer to the isosceles trapezoid shown. Find the value of x.

3/2

2

5/2

5

12

5 pts

Review Lesson 6-6: Refer to the isosceles trapezoid shown. Find m∠1. Enter only a number.

13

5 pts

Review Lesson 6-6: Refer to the isosceles trapezoid shown. Find m∠2. Enter only a number.

14

5 pts

Review Lesson 6-6: Refer to the isosceles trapezoid shown. Find m∠3. Enter only a number.

15

10 pts

Review Lesson 5-3: Find the circumcenter of △ABC.

(3, 2)

(5, 3)

(2, 2)

(2, 3)

16

10 pts

Review Lesson 3-7: Identify the slope of each segment, whose endpoints are given. Not all slopes will be used.

- (0, a), (-a, 2a)Answer by dragging items here
- (-a, b), (a, b)Answer by dragging items here
- (a, 0), (c+d, b)Answer by dragging items here

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17

10 pts

Vocabulary Review: Identify each item labeled on the coordinate plane. Use the arrow keys to access items, if necessary.

- originAnswer by dragging items here
- Quadrant IAnswer by dragging items here
- Quadrant IIAnswer by dragging items here
- Quadrant IIIAnswer by dragging items here
- Quadrant IVAnswer by dragging items here
- x-axisAnswer by dragging items here
- y-axisAnswer by dragging items here

18

10 pts

Use Your Vocabulary: Complete each statement with the correct word. Use each word only once.

- Trapezoids are __?__ as quadrilaterals.Answer by dragging items here
- Taxonomy is a system of __?__ in biology.Answer by dragging items here
- Schools __?__ children by age.Answer by dragging items here

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19

5 pts

D

M

S

20

5 pts

D

M

S

21

5 pts

D

M

S

22

10 pts

Reflection: Math Success

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