Working with
 Open Sentences

Topic Index | Geometry Index | Regents Exam Prep Center

Section1:  Determine whether the following sentences are TRUE, FALSE, or OPEN.
 


 

1.

"A trapezoid is a four sided polygon."

Choose:

True
False
Open

 

 

2.

"San Diego is a city in New York State."

Choose:

True
False
Open

 

 

3.

"It was blue with white stripes."

Choose:

True
False
Open

 

 

4.

"The United States celebrates the holiday called Thanksgiving."

Choose:

True
False
Open

 

 

5.

"5(20) + 3 = 103"

Choose:

True
False
Open

 

 

6.

"7x - 2 = 26."

Choose:

True
False
Open

 

Section 2:  Use the domain {triangle, rectangle, square, parallelogram, rhombus, trapezoid} to find the solution set for the following open sentences.

There may be more than one answer for certain questions.  Please hit "submit" to check answer.

 

7.  

 

"It has 2 pairs of opposite
sides that are parallel."

 

Choose:

triangle
rectangle
square
parallelogram
rhombus
trapezoid

 

 

8.  

 

"It has 4 sides that are all equal in measure."

 

Choose:

triangle
rectangle
square
parallelogram
rhombus
trapezoid

 

 

9.  

 

"It must contain only
right angles."

 

Choose:

triangle
rectangle
square
parallelogram
rhombus
trapezoid

 

 

10.  

 

"It has 3 and only 3 sides."

 

Choose:

triangle
rectangle
square
parallelogram
rhombus
trapezoid

 

Section 3:  Using the natural numbers as a domain, determine the solution set for the following open sentences.

Natural numbers = {1,2,3,4,5,6,...}

 

11.

 

"56 = 3x - 4"

 

 

12.

 

"x < 5"

 

 

13.

 

"2x + x = 9"

 

 

14.

 

"0.2x + 3 = 8"

 

 

15.

 

"x + 1.5 = 4"