ISEE Lower Level Math : How to find a triangle on a coordinate plane

Study concepts, example questions & explanations for ISEE Lower Level Math

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Example Questions

Example Question #1 : How To Find A Triangle On A Coordinate Plane

A coordinate plane is shown.

Blank_grid

Ralph plotted the following points on the coordinate grid:

Point X (7, 0); Point Y (7, 5); Point Z (0, 5)

 

A polygon is formed with vertices X, Y, and Z. Which type of polygon is formed? 

Possible Answers:

Parallelogram

Triangle

Rectangle

Square

Pentagon

Correct answer:

Triangle

Explanation:

Start by graphing and connecting the vertices.

Screenshot_2015-03-24_at_5.31.16_pm

 

The created figure has 3 sides and 3 angles. The only answer choice that has these characteristics is the triangle.

Example Question #2 : How To Find A Triangle On A Coordinate Plane

A coordinate plane is shown.

Blank_grid

Ralph plotted the following points on the coordinate grid:

Point X (8, 8); Point Y (1, 4); Point Z (6, 5)

A polygon is formed with vertices X, Y, and Z. Which type of polygon is formed? 

 

 
Possible Answers:

Rectangle

Square

Triangle

Quadrilateral

Correct answer:

Triangle

Explanation:

Start by plotting and connecting the ordered pairs.

Screenshot_2015-03-24_at_5.35.48_pm

 

The created figure has 3 sides and 3 angles. The only answer choice that has these characteristics is the triangle.

 

Example Question #3 : How To Find A Triangle On A Coordinate Plane

Which of the following sets of points would form a triangle if plotted on a coordinate plane?

Possible Answers:

Correct answer:

Explanation:

A triangle consist of three points.  The correct answer is the only set that contains three points. 

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