Identifying Shapes in Coordinate Plane

Which answer shows a reflection across the x-axis?

• d

• c

• b

• a

Find the area of the quadrilateral on the coordinate plane

• 10 sq. units

• 6 sq. units 

• 8 sq. units

• 12 sq. units

• (1.5,6.5)

• (6.5,2)

• (6.5,1.5)

• (2,6.5)

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A set of points is shown: ( 1,-1) ,(1,1.5) , (-1.5 . 1.5), ( -1.5 , -1).
Zane connects the points to make a polygon. Which best describes the shape he draws ? (a)  

• Square

• Trapezoid

• Rectangle 

• Parallelogram

Norman drew three points on a coordinate grid, as shown. If Norman draws a fourth point to form a parallelogram , which point could not be Norman's point ?

• ( 5,5 )

• ( 1,-1 )

• ( -1,3 )

• ( 2, -2 )

• A

• B

• C

• D

Which of the coordinates given could be the fourth point used to form a rectangle?

• (3, -6)

• (-3, -6)

• (-6, 3)

• (4, -6)

What are the coordinates of the missing vertex that would form a parallelogram?

• (4, 5)

• (5, 4)

• (4, 6)

• (6, 4)

The drawing shows points  ^A,B, and ^C. At what location would you add point ^{D to create a square ?}

• ( 2,1 )

• (4,5)

• ( 5, 4 )

• ( 5, 10 )