ISEE Middle Level Math : How to find the points on a coordinate plane

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

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Example Questions

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

Which of the following points will you find on the -axis?

Possible Answers:

Correct answer:

Explanation:

A point is located on the -axis if and only if it has -coordinate (first coordinate) 0. Of the five choices, only  fits that description.

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

Which of the following points is on the -axis?

Possible Answers:

Correct answer:

Explanation:


A point is located on the -axis if and only if it has a -coordinate equal to zero.  So the answer is .

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

A line segment on the coordinate plane has its endpoints at the points with coordinates  and . Give the midpoint of the segment.

Possible Answers:

Correct answer:

Explanation:

The -coordinate of the midpoint can be found by dividing the sum of the -coordinates of the endpoints by 2:

The -coordinate of the midpoints is found similarly:

Example Question #4 : How To Find The Points On A Coordinate Plane

A line segment on the coordinate plane has its endpoints at the points with coordinates  and . Give the coordinates of the midpoint of the segment.

Possible Answers:

Correct answer:

Explanation:

The -coordinate of the midpoint can be found by dividing the sum of the -coordinates of the endpoints by 2:

The -coordinate of the midpoint is found similarly:

.

The correct response is .

Example Question #5 : How To Find The Points On A Coordinate Plane

A line segment on the coordinate plane has its endpoints at the points with coordinates  and .  Give the coordinates of the midpoint of the segment.

Possible Answers:

Correct answer:

Explanation:

The -coordinate of the midpoint is half the sum of the -coordinates of the endpoints:

The -coordinate of the midpoint is found similarly:

The correct response is .

 

Example Question #6 : How To Find The Points On A Coordinate Plane

Angela plotted points A through E on the coordinate plane shown below.

 

Points_grid

Which point is located at the ordered pair 

Possible Answers:

Point C

Point B

Point E

Point D

Point A

Correct answer:

Point B

Explanation:

Start at point (0, 0) in the bottom, left corner of the the coordinate plane. From there, count right 2 spaces. This is the first number in the given ordered pair. From that point, count up 8 spaces. This is the second number in the given ordered pair.

By moving right 2 and up 8, you should have found Point B.

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