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

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

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Example Questions

Example Question #1 : Geometry

A shape with points , ,, and  is plotted on a coordinate plane. What shape is it?

Possible Answers:

Rectangle

Triangle

Square

Prism

Trapezoid

Correct answer:

Square

Explanation:

Since each side is equal to each other, the shape must be a square.

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

A coordinate plane is shown.

Blank_grid

Ralph plotted the following points on the coordinate grid:

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

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

 

Possible Answers:

Square

Triangle

Trapezoid

Kite

Correct answer:

Square

Explanation:

Start by plotting and connecting the vertices to create a quadrilateral.

Screenshot_2015-03-24_at_5.45.58_pm

The figure that is created has 4 right angles and sides of equal length. The only answer choice that shares these characteristics is the square.

 

 

Example Question #3 : Geometry

A square is plotted on a coordinate plane. It includes the following points: .  What is the remaining point?

Possible Answers:

Correct answer:

Explanation:

Each of the points is written as an ordered pair.  The first number in each ordered pair shows where the point is located on the x-axis.  The second number in each ordered pair shows where the point is located on the y-axis.  If you plot the ordered pairs listed in the problem, the ordered pair that is needed to complete the points of a square is .

Example Question #4 : Geometry

A coordinate plane is shown.

Blank_grid

Ralph plotted the following points on the coordinate grid:

Point W (3, 3); Point X (3, 8); Point Y (8, 3); Point Z (8, 8)

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

Possible Answers:

Pentagon

Trapezoid

Square

Triangle

Correct answer:

Square

Explanation:

Start by plotting and connecting the vertices to create a quadrilateral.

Screenshot_2015-03-24_at_5.39.24_pm

 

The figure that is created has 4 right angles and sides of equal length. The only answer choice that shares these characteristics is the square.

Example Question #5 : Geometry

Grid1st4

 

Renee plotted the following points in quadrant one on the coordinate grid:

Point A = (2,2)

Point B = (7,2)

Point C= (7,7)

Where in Quadrant one of the coordinate grid would Renee have to plot Point D so that the points form a square with vertices A, B, C, and D, and forms sides AB, BC, CD, and DA?

Possible Answers:

Correct answer:

Explanation:

Once Points A,B, and C have been plotted the missing coordinates in order to form a square (all sides being equal), Point D would be (2,7). All coordinates (x,y) in Quadrant one will be positive integers.

Another approach is to calculate the distance between each point.

When Point A and Point B are plotted they form a horizontal line that goes from 2 to 7. That makes the distance .

When Point B and Point C are plotted they form a vertical line that goes from 2 to 7. That makes the distance .

Point C creates a vertical line with Point B.  That makes the distance .

From here, we want to find a point that is horizontally 5 units from Point C and vertically 5 units from Point A. Thus (2,7) is the correct answer.

Example Question #6 : Geometry

A square is plotted on a coordinate plane.  It includes the following points:   What is the remaining point?

Possible Answers:

Correct answer:

Explanation:

Each of the points is written as an ordered pair.  The first number in each ordered pair shows where the point is located on the x-axis.  The second number in each ordered pair shows where the point is located on the y-axis.  If you plot the ordered pairs listed in the problem, the ordered pair that is needed to complete the points of a square is .

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